Home / 57,267,458.60-85,914,642.02-18,928,972.76

Finding the Fourth Proportional to 57,267,458.60, 85,914,642.02 and 18,928,972.76

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Solution

The fourth proportional to 57,267,458.60, 85,914,642.02 and 18,928,972.76 is: 28,397,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267,458.60 : 85,914,642.02 = 18,928,972.76 : x
  2. Step 2: Convert to fraction form
    57,267,458.60/85,914,642.02 = 18,928,972.76/x
  3. Step 3: Cross multiply
    57,267,458.60x = 85,914,642.02 × 18,928,972.76
  4. Step 4: Simplify right side
    57,267,458.60x = 1,626,275,917,957,513.25
  5. Step 5: Solve for x
    x = 1,626,275,917,957,513.25/57,267,458.60
  6. Step 6: Final answer
    x = 28,397,906.21

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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.