Home / 80,862,899.54-111,613,691.81-47,834,630.53

Finding the Fourth Proportional to 80,862,899.54, 111,613,691.81 and 47,834,630.53

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Solution

The fourth proportional to 80,862,899.54, 111,613,691.81 and 47,834,630.53 is: 66,025,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,862,899.54 : 111,613,691.81 = 47,834,630.53 : x
  2. Step 2: Convert to fraction form
    80,862,899.54/111,613,691.81 = 47,834,630.53/x
  3. Step 3: Cross multiply
    80,862,899.54x = 111,613,691.81 × 47,834,630.53
  4. Step 4: Simplify right side
    80,862,899.54x = 5,338,999,709,661,190
  5. Step 5: Solve for x
    x = 5,338,999,709,661,190/80,862,899.54
  6. Step 6: Final answer
    x = 66,025,331.03

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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.