Home / 134,568,382.92-185,704,443.36-72,688,722

Finding the Fourth Proportional to 134,568,382.92, 185,704,443.36 and 72,688,722

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Solution

The fourth proportional to 134,568,382.92, 185,704,443.36 and 72,688,722 is: 100,310,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,382.92 : 185,704,443.36 = 72,688,722 : x
  2. Step 2: Convert to fraction form
    134,568,382.92/185,704,443.36 = 72,688,722/x
  3. Step 3: Cross multiply
    134,568,382.92x = 185,704,443.36 × 72,688,722
  4. Step 4: Simplify right side
    134,568,382.92x = 13,498,618,657,559,786
  5. Step 5: Solve for x
    x = 13,498,618,657,559,786/134,568,382.92
  6. Step 6: Final answer
    x = 100,310,476.83

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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.