Home / 118,098,082.80-177,147,124.20-87,487,081.20

Finding the Fourth Proportional to 118,098,082.80, 177,147,124.20 and 87,487,081.20

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Solution

The fourth proportional to 118,098,082.80, 177,147,124.20 and 87,487,081.20 is: 131,230,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,082.80 : 177,147,124.20 = 87,487,081.20 : x
  2. Step 2: Convert to fraction form
    118,098,082.80/177,147,124.20 = 87,487,081.20/x
  3. Step 3: Cross multiply
    118,098,082.80x = 177,147,124.20 × 87,487,081.20
  4. Step 4: Simplify right side
    118,098,082.80x = 15,498,084,839,231,884
  5. Step 5: Solve for x
    x = 15,498,084,839,231,884/118,098,082.80
  6. Step 6: Final answer
    x = 131,230,621.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.