Home / 177,105,139.20-265,707,475.20-86,231,692.80

Finding the Fourth Proportional to 177,105,139.20, 265,707,475.20 and 86,231,692.80

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Solution

The fourth proportional to 177,105,139.20, 265,707,475.20 and 86,231,692.80 is: 129,371,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,105,139.20 : 265,707,475.20 = 86,231,692.80 : x
  2. Step 2: Convert to fraction form
    177,105,139.20/265,707,475.20 = 86,231,692.80/x
  3. Step 3: Cross multiply
    177,105,139.20x = 265,707,475.20 × 86,231,692.80
  4. Step 4: Simplify right side
    177,105,139.20x = 22,912,405,376,110,016
  5. Step 5: Solve for x
    x = 22,912,405,376,110,016/177,105,139.20
  6. Step 6: Final answer
    x = 129,371,770.24

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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.