Home / 162,276,694.48-243,443,385.24-71,397,921.52

Finding the Fourth Proportional to 162,276,694.48, 243,443,385.24 and 71,397,921.52

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Solution

The fourth proportional to 162,276,694.48, 243,443,385.24 and 71,397,921.52 is: 107,109,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,276,694.48 : 243,443,385.24 = 71,397,921.52 : x
  2. Step 2: Convert to fraction form
    162,276,694.48/243,443,385.24 = 71,397,921.52/x
  3. Step 3: Cross multiply
    162,276,694.48x = 243,443,385.24 × 71,397,921.52
  4. Step 4: Simplify right side
    162,276,694.48x = 17,381,351,713,928,646
  5. Step 5: Solve for x
    x = 17,381,351,713,928,646/162,276,694.48
  6. Step 6: Final answer
    x = 107,109,352.76

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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.