Home / 177,620,807.20-266,053,297.20-147,387,719.20

Finding the Fourth Proportional to 177,620,807.20, 266,053,297.20 and 147,387,719.20

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Solution

The fourth proportional to 177,620,807.20, 266,053,297.20 and 147,387,719.20 is: 220,767,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620,807.20 : 266,053,297.20 = 147,387,719.20 : x
  2. Step 2: Convert to fraction form
    177,620,807.20/266,053,297.20 = 147,387,719.20/x
  3. Step 3: Cross multiply
    177,620,807.20x = 266,053,297.20 × 147,387,719.20
  4. Step 4: Simplify right side
    177,620,807.20x = 39,212,988,659,947,744
  5. Step 5: Solve for x
    x = 39,212,988,659,947,744/177,620,807.20
  6. Step 6: Final answer
    x = 220,767,990.41

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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.