Home / 57,781,348.57-79,743,305.57-31,680,910.93

Finding the Fourth Proportional to 57,781,348.57, 79,743,305.57 and 31,680,910.93

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Solution

The fourth proportional to 57,781,348.57, 79,743,305.57 and 31,680,910.93 is: 43,722,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,348.57 : 79,743,305.57 = 31,680,910.93 : x
  2. Step 2: Convert to fraction form
    57,781,348.57/79,743,305.57 = 31,680,910.93/x
  3. Step 3: Cross multiply
    57,781,348.57x = 79,743,305.57 × 31,680,910.93
  4. Step 4: Simplify right side
    57,781,348.57x = 2,526,340,561,411,001.50
  5. Step 5: Solve for x
    x = 2,526,340,561,411,001.50/57,781,348.57
  6. Step 6: Final answer
    x = 43,722,422.96

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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.