Home / 177,136,020.20-265,704,030.30-81,397,908.20

Finding the Fourth Proportional to 177,136,020.20, 265,704,030.30 and 81,397,908.20

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Solution

The fourth proportional to 177,136,020.20, 265,704,030.30 and 81,397,908.20 is: 122,096,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,136,020.20 : 265,704,030.30 = 81,397,908.20 : x
  2. Step 2: Convert to fraction form
    177,136,020.20/265,704,030.30 = 81,397,908.20/x
  3. Step 3: Cross multiply
    177,136,020.20x = 265,704,030.30 × 81,397,908.20
  4. Step 4: Simplify right side
    177,136,020.20x = 21,627,752,266,729,420
  5. Step 5: Solve for x
    x = 21,627,752,266,729,420/177,136,020.20
  6. Step 6: Final answer
    x = 122,096,862.30

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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.