Home / 71,951,716.74-99,293,666.22-38,911,965.16

Finding the Fourth Proportional to 71,951,716.74, 99,293,666.22 and 38,911,965.16

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Solution

The fourth proportional to 71,951,716.74, 99,293,666.22 and 38,911,965.16 is: 53,698,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,951,716.74 : 99,293,666.22 = 38,911,965.16 : x
  2. Step 2: Convert to fraction form
    71,951,716.74/99,293,666.22 = 38,911,965.16/x
  3. Step 3: Cross multiply
    71,951,716.74x = 99,293,666.22 × 38,911,965.16
  4. Step 4: Simplify right side
    71,951,716.74x = 3,863,711,680,561,308.50
  5. Step 5: Solve for x
    x = 3,863,711,680,561,308.50/71,951,716.74
  6. Step 6: Final answer
    x = 53,698,672.60

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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.