Home / 57,900,808.80-79,904,034.18-31,439,147.76

Finding the Fourth Proportional to 57,900,808.80, 79,904,034.18 and 31,439,147.76

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Solution

The fourth proportional to 57,900,808.80, 79,904,034.18 and 31,439,147.76 is: 43,386,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900,808.80 : 79,904,034.18 = 31,439,147.76 : x
  2. Step 2: Convert to fraction form
    57,900,808.80/79,904,034.18 = 31,439,147.76/x
  3. Step 3: Cross multiply
    57,900,808.80x = 79,904,034.18 × 31,439,147.76
  4. Step 4: Simplify right side
    57,900,808.80x = 2,512,114,737,205,111
  5. Step 5: Solve for x
    x = 2,512,114,737,205,111/57,900,808.80
  6. Step 6: Final answer
    x = 43,386,522.39

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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.