Home / 162,431,521.04-243,711,083.64-71,491,356.56

Finding the Fourth Proportional to 162,431,521.04, 243,711,083.64 and 71,491,356.56

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Solution

The fourth proportional to 162,431,521.04, 243,711,083.64 and 71,491,356.56 is: 107,265,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,431,521.04 : 243,711,083.64 = 71,491,356.56 : x
  2. Step 2: Convert to fraction form
    162,431,521.04/243,711,083.64 = 71,491,356.56/x
  3. Step 3: Cross multiply
    162,431,521.04x = 243,711,083.64 × 71,491,356.56
  4. Step 4: Simplify right side
    162,431,521.04x = 17,423,235,978,131,222
  5. Step 5: Solve for x
    x = 17,423,235,978,131,222/162,431,521.04
  6. Step 6: Final answer
    x = 107,265,116.20

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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.