Home / 87,442,080.80-131,051,146.80-67,146,720.80

Finding the Fourth Proportional to 87,442,080.80, 131,051,146.80 and 67,146,720.80

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Solution

The fourth proportional to 87,442,080.80, 131,051,146.80 and 67,146,720.80 is: 100,634,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,080.80 : 131,051,146.80 = 67,146,720.80 : x
  2. Step 2: Convert to fraction form
    87,442,080.80/131,051,146.80 = 67,146,720.80/x
  3. Step 3: Cross multiply
    87,442,080.80x = 131,051,146.80 × 67,146,720.80
  4. Step 4: Simplify right side
    87,442,080.80x = 8,799,654,764,699,413
  5. Step 5: Solve for x
    x = 8,799,654,764,699,413/87,442,080.80
  6. Step 6: Final answer
    x = 100,634,096.13

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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.