Home / 134,568,372.25-185,704,428.50-72,688,711.42

Finding the Fourth Proportional to 134,568,372.25, 185,704,428.50 and 72,688,711.42

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Solution

The fourth proportional to 134,568,372.25, 185,704,428.50 and 72,688,711.42 is: 100,310,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,372.25 : 185,704,428.50 = 72,688,711.42 : x
  2. Step 2: Convert to fraction form
    134,568,372.25/185,704,428.50 = 72,688,711.42/x
  3. Step 3: Cross multiply
    134,568,372.25x = 185,704,428.50 × 72,688,711.42
  4. Step 4: Simplify right side
    134,568,372.25x = 13,498,615,612,652,524
  5. Step 5: Solve for x
    x = 13,498,615,612,652,524/134,568,372.25
  6. Step 6: Final answer
    x = 100,310,462.16

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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.