Home / 134,568,314.92-185,704,349.34-72,688,654

Finding the Fourth Proportional to 134,568,314.92, 185,704,349.34 and 72,688,654

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Solution

The fourth proportional to 134,568,314.92, 185,704,349.34 and 72,688,654 is: 100,310,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,314.92 : 185,704,349.34 = 72,688,654 : x
  2. Step 2: Convert to fraction form
    134,568,314.92/185,704,349.34 = 72,688,654/x
  3. Step 3: Cross multiply
    134,568,314.92x = 185,704,349.34 × 72,688,654
  4. Step 4: Simplify right side
    134,568,314.92x = 13,498,599,195,470,388
  5. Step 5: Solve for x
    x = 13,498,599,195,470,388/134,568,314.92
  6. Step 6: Final answer
    x = 100,310,382.90

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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.