Home / 67,292,810.13-100,940,016.20-18,767,711.54

Finding the Fourth Proportional to 67,292,810.13, 100,940,016.20 and 18,767,711.54

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Solution

The fourth proportional to 67,292,810.13, 100,940,016.20 and 18,767,711.54 is: 28,151,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292,810.13 : 100,940,016.20 = 18,767,711.54 : x
  2. Step 2: Convert to fraction form
    67,292,810.13/100,940,016.20 = 18,767,711.54/x
  3. Step 3: Cross multiply
    67,292,810.13x = 100,940,016.20 × 18,767,711.54
  4. Step 4: Simplify right side
    67,292,810.13x = 1,894,413,106,884,527
  5. Step 5: Solve for x
    x = 1,894,413,106,884,527/67,292,810.13
  6. Step 6: Final answer
    x = 28,151,790.71

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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.