Home / 57,872,725.92-79,864,449.24-31,411,089.25

Finding the Fourth Proportional to 57,872,725.92, 79,864,449.24 and 31,411,089.25

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Solution

The fourth proportional to 57,872,725.92, 79,864,449.24 and 31,411,089.25 is: 43,347,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,872,725.92 : 79,864,449.24 = 31,411,089.25 : x
  2. Step 2: Convert to fraction form
    57,872,725.92/79,864,449.24 = 31,411,089.25/x
  3. Step 3: Cross multiply
    57,872,725.92x = 79,864,449.24 × 31,411,089.25
  4. Step 4: Simplify right side
    57,872,725.92x = 2,508,629,342,979,734.50
  5. Step 5: Solve for x
    x = 2,508,629,342,979,734.50/57,872,725.92
  6. Step 6: Final answer
    x = 43,347,350.64

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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.