Home / 80,409,079.14-120,309,251.18-47,637,242.27

Finding the Fourth Proportional to 80,409,079.14, 120,309,251.18 and 47,637,242.27

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Solution

The fourth proportional to 80,409,079.14, 120,309,251.18 and 47,637,242.27 is: 71,275,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409,079.14 : 120,309,251.18 = 47,637,242.27 : x
  2. Step 2: Convert to fraction form
    80,409,079.14/120,309,251.18 = 47,637,242.27/x
  3. Step 3: Cross multiply
    80,409,079.14x = 120,309,251.18 × 47,637,242.27
  4. Step 4: Simplify right side
    80,409,079.14x = 5,731,200,945,182,398
  5. Step 5: Solve for x
    x = 5,731,200,945,182,398/80,409,079.14
  6. Step 6: Final answer
    x = 71,275,545.08

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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.