Home / 87,948,273.93-121,368,761.02-48,790,051.92

Finding the Fourth Proportional to 87,948,273.93, 121,368,761.02 and 48,790,051.92

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Solution

The fourth proportional to 87,948,273.93, 121,368,761.02 and 48,790,051.92 is: 67,330,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,948,273.93 : 121,368,761.02 = 48,790,051.92 : x
  2. Step 2: Convert to fraction form
    87,948,273.93/121,368,761.02 = 48,790,051.92/x
  3. Step 3: Cross multiply
    87,948,273.93x = 121,368,761.02 × 48,790,051.92
  4. Step 4: Simplify right side
    87,948,273.93x = 5,921,588,151,418,172
  5. Step 5: Solve for x
    x = 5,921,588,151,418,172/87,948,273.93
  6. Step 6: Final answer
    x = 67,330,350.97

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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.