Home / 91,609,067.50-126,420,775.59-52,451,444.86

Finding the Fourth Proportional to 91,609,067.50, 126,420,775.59 and 52,451,444.86

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Solution

The fourth proportional to 91,609,067.50, 126,420,775.59 and 52,451,444.86 is: 72,383,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,609,067.50 : 126,420,775.59 = 52,451,444.86 : x
  2. Step 2: Convert to fraction form
    91,609,067.50/126,420,775.59 = 52,451,444.86/x
  3. Step 3: Cross multiply
    91,609,067.50x = 126,420,775.59 × 52,451,444.86
  4. Step 4: Simplify right side
    91,609,067.50x = 6,630,952,340,017,319
  5. Step 5: Solve for x
    x = 6,630,952,340,017,319/91,609,067.50
  6. Step 6: Final answer
    x = 72,383,144.17

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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.