Home / 177,988,269.20-266,982,403.80-165,517,120.40

Finding the Fourth Proportional to 177,988,269.20, 266,982,403.80 and 165,517,120.40

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Solution

The fourth proportional to 177,988,269.20, 266,982,403.80 and 165,517,120.40 is: 248,275,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,988,269.20 : 266,982,403.80 = 165,517,120.40 : x
  2. Step 2: Convert to fraction form
    177,988,269.20/266,982,403.80 = 165,517,120.40/x
  3. Step 3: Cross multiply
    177,988,269.20x = 266,982,403.80 × 165,517,120.40
  4. Step 4: Simplify right side
    177,988,269.20x = 44,190,158,674,446,024
  5. Step 5: Solve for x
    x = 44,190,158,674,446,024/177,988,269.20
  6. Step 6: Final answer
    x = 248,275,680.60

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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.