Home / 90,795,467.20-136,193,200.80-56,755,249.60

Finding the Fourth Proportional to 90,795,467.20, 136,193,200.80 and 56,755,249.60

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Solution

The fourth proportional to 90,795,467.20, 136,193,200.80 and 56,755,249.60 is: 85,132,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795,467.20 : 136,193,200.80 = 56,755,249.60 : x
  2. Step 2: Convert to fraction form
    90,795,467.20/136,193,200.80 = 56,755,249.60/x
  3. Step 3: Cross multiply
    90,795,467.20x = 136,193,200.80 × 56,755,249.60
  4. Step 4: Simplify right side
    90,795,467.20x = 7,729,679,105,226,921
  5. Step 5: Solve for x
    x = 7,729,679,105,226,921/90,795,467.20
  6. Step 6: Final answer
    x = 85,132,874.40

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1.5x scale

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.