Home / 134,568,301.78-185,704,331.19-72,688,640.95

Finding the Fourth Proportional to 134,568,301.78, 185,704,331.19 and 72,688,640.95

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Solution

The fourth proportional to 134,568,301.78, 185,704,331.19 and 72,688,640.95 is: 100,310,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,301.78 : 185,704,331.19 = 72,688,640.95 : x
  2. Step 2: Convert to fraction form
    134,568,301.78/185,704,331.19 = 72,688,640.95/x
  3. Step 3: Cross multiply
    134,568,301.78x = 185,704,331.19 × 72,688,640.95
  4. Step 4: Simplify right side
    134,568,301.78x = 13,498,595,452,689,344
  5. Step 5: Solve for x
    x = 13,498,595,452,689,344/134,568,301.78
  6. Step 6: Final answer
    x = 100,310,364.88

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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.