Home / 57,445,276.80-86,223,902.40-28,723,843.20

Finding the Fourth Proportional to 57,445,276.80, 86,223,902.40 and 28,723,843.20

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Solution

The fourth proportional to 57,445,276.80, 86,223,902.40 and 28,723,843.20 is: 43,113,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,445,276.80 : 86,223,902.40 = 28,723,843.20 : x
  2. Step 2: Convert to fraction form
    57,445,276.80/86,223,902.40 = 28,723,843.20/x
  3. Step 3: Cross multiply
    57,445,276.80x = 86,223,902.40 × 28,723,843.20
  4. Step 4: Simplify right side
    57,445,276.80x = 2,476,681,852,629,704
  5. Step 5: Solve for x
    x = 2,476,681,852,629,704/57,445,276.80
  6. Step 6: Final answer
    x = 43,113,759.57

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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.