Home / 57,447,997.02-79,278,145.20-31,342,517.15

Finding the Fourth Proportional to 57,447,997.02, 79,278,145.20 and 31,342,517.15

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Solution

The fourth proportional to 57,447,997.02, 79,278,145.20 and 31,342,517.15 is: 43,252,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447,997.02 : 79,278,145.20 = 31,342,517.15 : x
  2. Step 2: Convert to fraction form
    57,447,997.02/79,278,145.20 = 31,342,517.15/x
  3. Step 3: Cross multiply
    57,447,997.02x = 79,278,145.20 × 31,342,517.15
  4. Step 4: Simplify right side
    57,447,997.02x = 2,484,776,625,154,799.50
  5. Step 5: Solve for x
    x = 2,484,776,625,154,799.50/57,447,997.02
  6. Step 6: Final answer
    x = 43,252,624.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.