Home / 83,001,807.60-124,428,061.80-54,261,711.60

Finding the Fourth Proportional to 83,001,807.60, 124,428,061.80 and 54,261,711.60

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Solution

The fourth proportional to 83,001,807.60, 124,428,061.80 and 54,261,711.60 is: 81,343,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,807.60 : 124,428,061.80 = 54,261,711.60 : x
  2. Step 2: Convert to fraction form
    83,001,807.60/124,428,061.80 = 54,261,711.60/x
  3. Step 3: Cross multiply
    83,001,807.60x = 124,428,061.80 × 54,261,711.60
  4. Step 4: Simplify right side
    83,001,807.60x = 6,751,679,604,338,577
  5. Step 5: Solve for x
    x = 6,751,679,604,338,577/83,001,807.60
  6. Step 6: Final answer
    x = 81,343,765.87

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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.