Home / 91,681,419.56-126,478,624.47-54,490,565.98

Finding the Fourth Proportional to 91,681,419.56, 126,478,624.47 and 54,490,565.98

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Solution

The fourth proportional to 91,681,419.56, 126,478,624.47 and 54,490,565.98 is: 75,172,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,681,419.56 : 126,478,624.47 = 54,490,565.98 : x
  2. Step 2: Convert to fraction form
    91,681,419.56/126,478,624.47 = 54,490,565.98/x
  3. Step 3: Cross multiply
    91,681,419.56x = 126,478,624.47 × 54,490,565.98
  4. Step 4: Simplify right side
    91,681,419.56x = 6,891,891,831,337,386
  5. Step 5: Solve for x
    x = 6,891,891,831,337,386/91,681,419.56
  6. Step 6: Final answer
    x = 75,172,176.27

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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.