Home / 72,068,841.27-99,454,505.67-39,028,334.31

Finding the Fourth Proportional to 72,068,841.27, 99,454,505.67 and 39,028,334.31

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Solution

The fourth proportional to 72,068,841.27, 99,454,505.67 and 39,028,334.31 is: 53,858,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,841.27 : 99,454,505.67 = 39,028,334.31 : x
  2. Step 2: Convert to fraction form
    72,068,841.27/99,454,505.67 = 39,028,334.31/x
  3. Step 3: Cross multiply
    72,068,841.27x = 99,454,505.67 × 39,028,334.31
  4. Step 4: Simplify right side
    72,068,841.27x = 3,881,543,695,924,551
  5. Step 5: Solve for x
    x = 3,881,543,695,924,551/72,068,841.27
  6. Step 6: Final answer
    x = 53,858,833.13

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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.