Home / 163,712,821.80-245,569,232.70-98,239,290.60

Finding the Fourth Proportional to 163,712,821.80, 245,569,232.70 and 98,239,290.60

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Solution

The fourth proportional to 163,712,821.80, 245,569,232.70 and 98,239,290.60 is: 147,358,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,712,821.80 : 245,569,232.70 = 98,239,290.60 : x
  2. Step 2: Convert to fraction form
    163,712,821.80/245,569,232.70 = 98,239,290.60/x
  3. Step 3: Cross multiply
    163,712,821.80x = 245,569,232.70 × 98,239,290.60
  4. Step 4: Simplify right side
    163,712,821.80x = 24,124,547,213,634,320
  5. Step 5: Solve for x
    x = 24,124,547,213,634,320/163,712,821.80
  6. Step 6: Final answer
    x = 147,358,935.90

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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.