Home / 134,568,384.92-185,704,446.12-72,688,724

Finding the Fourth Proportional to 134,568,384.92, 185,704,446.12 and 72,688,724

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Solution

The fourth proportional to 134,568,384.92, 185,704,446.12 and 72,688,724 is: 100,310,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,384.92 : 185,704,446.12 = 72,688,724 : x
  2. Step 2: Convert to fraction form
    134,568,384.92/185,704,446.12 = 72,688,724/x
  3. Step 3: Cross multiply
    134,568,384.92x = 185,704,446.12 × 72,688,724
  4. Step 4: Simplify right side
    134,568,384.92x = 13,498,619,229,589,552
  5. Step 5: Solve for x
    x = 13,498,619,229,589,552/134,568,384.92
  6. Step 6: Final answer
    x = 100,310,479.59

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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.