Home / 69,331,428.32-95,676,194.66-38,390,933.30

Finding the Fourth Proportional to 69,331,428.32, 95,676,194.66 and 38,390,933.30

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Solution

The fourth proportional to 69,331,428.32, 95,676,194.66 and 38,390,933.30 is: 52,978,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331,428.32 : 95,676,194.66 = 38,390,933.30 : x
  2. Step 2: Convert to fraction form
    69,331,428.32/95,676,194.66 = 38,390,933.30/x
  3. Step 3: Cross multiply
    69,331,428.32x = 95,676,194.66 × 38,390,933.30
  4. Step 4: Simplify right side
    69,331,428.32x = 3,673,098,406,919,541
  5. Step 5: Solve for x
    x = 3,673,098,406,919,541/69,331,428.32
  6. Step 6: Final answer
    x = 52,978,836.53

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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.