Home / 121,182,002.70-181,887,165.45-63,715,515.90

Finding the Fourth Proportional to 121,182,002.70, 181,887,165.45 and 63,715,515.90

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Solution

The fourth proportional to 121,182,002.70, 181,887,165.45 and 63,715,515.90 is: 95,633,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182,002.70 : 181,887,165.45 = 63,715,515.90 : x
  2. Step 2: Convert to fraction form
    121,182,002.70/181,887,165.45 = 63,715,515.90/x
  3. Step 3: Cross multiply
    121,182,002.70x = 181,887,165.45 × 63,715,515.90
  4. Step 4: Simplify right side
    121,182,002.70x = 11,589,034,582,235,404
  5. Step 5: Solve for x
    x = 11,589,034,582,235,404/121,182,002.70
  6. Step 6: Final answer
    x = 95,633,298.05

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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.