Home / 66,159,845.38-91,287,207.12-38,652,459.22

Finding the Fourth Proportional to 66,159,845.38, 91,287,207.12 and 38,652,459.22

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Solution

The fourth proportional to 66,159,845.38, 91,287,207.12 and 38,652,459.22 is: 53,332,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159,845.38 : 91,287,207.12 = 38,652,459.22 : x
  2. Step 2: Convert to fraction form
    66,159,845.38/91,287,207.12 = 38,652,459.22/x
  3. Step 3: Cross multiply
    66,159,845.38x = 91,287,207.12 × 38,652,459.22
  4. Step 4: Simplify right side
    66,159,845.38x = 3,528,475,050,513,493.50
  5. Step 5: Solve for x
    x = 3,528,475,050,513,493.50/66,159,845.38
  6. Step 6: Final answer
    x = 53,332,577.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.