Home / 134,568,327.92-185,704,367.28-72,688,667

Finding the Fourth Proportional to 134,568,327.92, 185,704,367.28 and 72,688,667

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Solution

The fourth proportional to 134,568,327.92, 185,704,367.28 and 72,688,667 is: 100,310,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,327.92 : 185,704,367.28 = 72,688,667 : x
  2. Step 2: Convert to fraction form
    134,568,327.92/185,704,367.28 = 72,688,667/x
  3. Step 3: Cross multiply
    134,568,327.92x = 185,704,367.28 × 72,688,667
  4. Step 4: Simplify right side
    134,568,327.92x = 13,498,602,913,661,616
  5. Step 5: Solve for x
    x = 13,498,602,913,661,616/134,568,327.92
  6. Step 6: Final answer
    x = 100,310,400.84

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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.