Home / 57,781,350.07-79,743,307.64-31,680,912.43

Finding the Fourth Proportional to 57,781,350.07, 79,743,307.64 and 31,680,912.43

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Solution

The fourth proportional to 57,781,350.07, 79,743,307.64 and 31,680,912.43 is: 43,722,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,350.07 : 79,743,307.64 = 31,680,912.43 : x
  2. Step 2: Convert to fraction form
    57,781,350.07/79,743,307.64 = 31,680,912.43/x
  3. Step 3: Cross multiply
    57,781,350.07x = 79,743,307.64 × 31,680,912.43
  4. Step 4: Simplify right side
    57,781,350.07x = 2,526,340,746,221,390
  5. Step 5: Solve for x
    x = 2,526,340,746,221,390/57,781,350.07
  6. Step 6: Final answer
    x = 43,722,425.02

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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.