Home / 134,568,315.92-185,704,350.72-72,688,655

Finding the Fourth Proportional to 134,568,315.92, 185,704,350.72 and 72,688,655

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Solution

The fourth proportional to 134,568,315.92, 185,704,350.72 and 72,688,655 is: 100,310,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,315.92 : 185,704,350.72 = 72,688,655 : x
  2. Step 2: Convert to fraction form
    134,568,315.92/185,704,350.72 = 72,688,655/x
  3. Step 3: Cross multiply
    134,568,315.92x = 185,704,350.72 × 72,688,655
  4. Step 4: Simplify right side
    134,568,315.92x = 13,498,599,481,485,082
  5. Step 5: Solve for x
    x = 13,498,599,481,485,082/134,568,315.92
  6. Step 6: Final answer
    x = 100,310,384.28

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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.