Home / 87,817,348.38-121,187,821.89-48,661,660.83

Finding the Fourth Proportional to 87,817,348.38, 121,187,821.89 and 48,661,660.83

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Solution

The fourth proportional to 87,817,348.38, 121,187,821.89 and 48,661,660.83 is: 67,153,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,817,348.38 : 121,187,821.89 = 48,661,660.83 : x
  2. Step 2: Convert to fraction form
    87,817,348.38/121,187,821.89 = 48,661,660.83/x
  3. Step 3: Cross multiply
    87,817,348.38x = 121,187,821.89 × 48,661,660.83
  4. Step 4: Simplify right side
    87,817,348.38x = 5,897,200,685,537,629
  5. Step 5: Solve for x
    x = 5,897,200,685,537,629/87,817,348.38
  6. Step 6: Final answer
    x = 67,153,026.07

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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.