Home / 177,988,278.20-266,982,417.30-165,517,129.40

Finding the Fourth Proportional to 177,988,278.20, 266,982,417.30 and 165,517,129.40

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Solution

The fourth proportional to 177,988,278.20, 266,982,417.30 and 165,517,129.40 is: 248,275,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,988,278.20 : 266,982,417.30 = 165,517,129.40 : x
  2. Step 2: Convert to fraction form
    177,988,278.20/266,982,417.30 = 165,517,129.40/x
  3. Step 3: Cross multiply
    177,988,278.20x = 266,982,417.30 × 165,517,129.40
  4. Step 4: Simplify right side
    177,988,278.20x = 44,190,163,311,768,904
  5. Step 5: Solve for x
    x = 44,190,163,311,768,904/177,988,278.20
  6. Step 6: Final answer
    x = 248,275,694.10

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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.