Home / 57,430,213.38-86,073,476.31-28,684,372.86

Finding the Fourth Proportional to 57,430,213.38, 86,073,476.31 and 28,684,372.86

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Solution

The fourth proportional to 57,430,213.38, 86,073,476.31 and 28,684,372.86 is: 42,990,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430,213.38 : 86,073,476.31 = 28,684,372.86 : x
  2. Step 2: Convert to fraction form
    57,430,213.38/86,073,476.31 = 28,684,372.86/x
  3. Step 3: Cross multiply
    57,430,213.38x = 86,073,476.31 × 28,684,372.86
  4. Step 4: Simplify right side
    57,430,213.38x = 2,468,963,687,832,417
  5. Step 5: Solve for x
    x = 2,468,963,687,832,417/57,430,213.38
  6. Step 6: Final answer
    x = 42,990,675.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.