Home / 91,609,068-126,420,776.28-52,451,445.36

Finding the Fourth Proportional to 91,609,068, 126,420,776.28 and 52,451,445.36

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Solution

The fourth proportional to 91,609,068, 126,420,776.28 and 52,451,445.36 is: 72,383,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,609,068 : 126,420,776.28 = 52,451,445.36 : x
  2. Step 2: Convert to fraction form
    91,609,068/126,420,776.28 = 52,451,445.36/x
  3. Step 3: Cross multiply
    91,609,068x = 126,420,776.28 × 52,451,445.36
  4. Step 4: Simplify right side
    91,609,068x = 6,630,952,439,419,204
  5. Step 5: Solve for x
    x = 6,630,952,439,419,204/91,609,068
  6. Step 6: Final answer
    x = 72,383,144.86

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1.5x scale

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.