Home / 57,993,438.28-80,030,382.16-31,531,791.76

Finding the Fourth Proportional to 57,993,438.28, 80,030,382.16 and 31,531,791.76

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Solution

The fourth proportional to 57,993,438.28, 80,030,382.16 and 31,531,791.76 is: 43,513,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993,438.28 : 80,030,382.16 = 31,531,791.76 : x
  2. Step 2: Convert to fraction form
    57,993,438.28/80,030,382.16 = 31,531,791.76/x
  3. Step 3: Cross multiply
    57,993,438.28x = 80,030,382.16 × 31,531,791.76
  4. Step 4: Simplify right side
    57,993,438.28x = 2,523,501,344,742,339
  5. Step 5: Solve for x
    x = 2,523,501,344,742,339/57,993,438.28
  6. Step 6: Final answer
    x = 43,513,566.70

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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.