Home / 85,179,025.80-127,768,538.70-60,992,555.40

Finding the Fourth Proportional to 85,179,025.80, 127,768,538.70 and 60,992,555.40

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Solution

The fourth proportional to 85,179,025.80, 127,768,538.70 and 60,992,555.40 is: 91,488,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179,025.80 : 127,768,538.70 = 60,992,555.40 : x
  2. Step 2: Convert to fraction form
    85,179,025.80/127,768,538.70 = 60,992,555.40/x
  3. Step 3: Cross multiply
    85,179,025.80x = 127,768,538.70 × 60,992,555.40
  4. Step 4: Simplify right side
    85,179,025.80x = 7,792,929,675,036,794
  5. Step 5: Solve for x
    x = 7,792,929,675,036,794/85,179,025.80
  6. Step 6: Final answer
    x = 91,488,833.10

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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.