Home / 56,290,867.28-77,641,350.95-51,659,607.70

Finding the Fourth Proportional to 56,290,867.28, 77,641,350.95 and 51,659,607.70

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Solution

The fourth proportional to 56,290,867.28, 77,641,350.95 and 51,659,607.70 is: 71,253,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290,867.28 : 77,641,350.95 = 51,659,607.70 : x
  2. Step 2: Convert to fraction form
    56,290,867.28/77,641,350.95 = 51,659,607.70/x
  3. Step 3: Cross multiply
    56,290,867.28x = 77,641,350.95 × 51,659,607.70
  4. Step 4: Simplify right side
    56,290,867.28x = 4,010,921,730,728,517
  5. Step 5: Solve for x
    x = 4,010,921,730,728,517/56,290,867.28
  6. Step 6: Final answer
    x = 71,253,507.45

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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.