Home / 87,050,488.86-120,129,670.65-47,891,425.53

Finding the Fourth Proportional to 87,050,488.86, 120,129,670.65 and 47,891,425.53

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Solution

The fourth proportional to 87,050,488.86, 120,129,670.65 and 47,891,425.53 is: 66,090,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050,488.86 : 120,129,670.65 = 47,891,425.53 : x
  2. Step 2: Convert to fraction form
    87,050,488.86/120,129,670.65 = 47,891,425.53/x
  3. Step 3: Cross multiply
    87,050,488.86x = 120,129,670.65 × 47,891,425.53
  4. Step 4: Simplify right side
    87,050,488.86x = 5,753,181,176,507,981
  5. Step 5: Solve for x
    x = 5,753,181,176,507,981/87,050,488.86
  6. Step 6: Final answer
    x = 66,090,165.05

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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.