Home / 57,699,753.28-79,631,001.12-31,945,641.28

Finding the Fourth Proportional to 57,699,753.28, 79,631,001.12 and 31,945,641.28

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Solution

The fourth proportional to 57,699,753.28, 79,631,001.12 and 31,945,641.28 is: 44,087,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699,753.28 : 79,631,001.12 = 31,945,641.28 : x
  2. Step 2: Convert to fraction form
    57,699,753.28/79,631,001.12 = 31,945,641.28/x
  3. Step 3: Cross multiply
    57,699,753.28x = 79,631,001.12 × 31,945,641.28
  4. Step 4: Simplify right side
    57,699,753.28x = 2,543,863,396,546,798.50
  5. Step 5: Solve for x
    x = 2,543,863,396,546,798.50/57,699,753.28
  6. Step 6: Final answer
    x = 44,087,942.36

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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.