Home / 57,091,127.57-78,785,833.85-30,985,645.74

Finding the Fourth Proportional to 57,091,127.57, 78,785,833.85 and 30,985,645.74

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Solution

The fourth proportional to 57,091,127.57, 78,785,833.85 and 30,985,645.74 is: 42,760,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,127.57 : 78,785,833.85 = 30,985,645.74 : x
  2. Step 2: Convert to fraction form
    57,091,127.57/78,785,833.85 = 30,985,645.74/x
  3. Step 3: Cross multiply
    57,091,127.57x = 78,785,833.85 × 30,985,645.74
  4. Step 4: Simplify right side
    57,091,127.57x = 2,441,229,937,006,600
  5. Step 5: Solve for x
    x = 2,441,229,937,006,600/57,091,127.57
  6. Step 6: Final answer
    x = 42,760,233.35

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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.