Home / 177,147,400.70-265,721,101.05-86,448,136.70

Finding the Fourth Proportional to 177,147,400.70, 265,721,101.05 and 86,448,136.70

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Solution

The fourth proportional to 177,147,400.70, 265,721,101.05 and 86,448,136.70 is: 129,672,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,400.70 : 265,721,101.05 = 86,448,136.70 : x
  2. Step 2: Convert to fraction form
    177,147,400.70/265,721,101.05 = 86,448,136.70/x
  3. Step 3: Cross multiply
    177,147,400.70x = 265,721,101.05 × 86,448,136.70
  4. Step 4: Simplify right side
    177,147,400.70x = 22,971,094,067,644,916
  5. Step 5: Solve for x
    x = 22,971,094,067,644,916/177,147,400.70
  6. Step 6: Final answer
    x = 129,672,205.05

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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.