Home / 162,431,519.04-243,711,080.64-71,491,354.56

Finding the Fourth Proportional to 162,431,519.04, 243,711,080.64 and 71,491,354.56

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Solution

The fourth proportional to 162,431,519.04, 243,711,080.64 and 71,491,354.56 is: 107,265,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,431,519.04 : 243,711,080.64 = 71,491,354.56 : x
  2. Step 2: Convert to fraction form
    162,431,519.04/243,711,080.64 = 71,491,354.56/x
  3. Step 3: Cross multiply
    162,431,519.04x = 243,711,080.64 × 71,491,354.56
  4. Step 4: Simplify right side
    162,431,519.04x = 17,423,235,276,234,992
  5. Step 5: Solve for x
    x = 17,423,235,276,234,992/162,431,519.04
  6. Step 6: Final answer
    x = 107,265,113.19

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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.