Home / 109,162,358,538.20-163,743,537,807.30-30,645,139,434.20

Finding the Fourth Proportional to 109,162,358,538.20, 163,743,537,807.30 and 30,645,139,434.20

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Solution

The fourth proportional to 109,162,358,538.20, 163,743,537,807.30 and 30,645,139,434.20 is: 45,967,709,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,162,358,538.20 : 163,743,537,807.30 = 30,645,139,434.20 : x
  2. Step 2: Convert to fraction form
    109,162,358,538.20/163,743,537,807.30 = 30,645,139,434.20/x
  3. Step 3: Cross multiply
    109,162,358,538.20x = 163,743,537,807.30 × 30,645,139,434.20
  4. Step 4: Simplify right side
    109,162,358,538.20x = 5,017,943,547,553,907,736,576
  5. Step 5: Solve for x
    x = 5,017,943,547,553,907,736,576/109,162,358,538.20
  6. Step 6: Final answer
    x = 45,967,709,151.30

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Double scale
Find fourth proportional to 109,162,358,539.20, 163,743,537,808.80 and 30,645,139,435.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.