Home / 177,147,409.20-265,721,113.80-86,448,145.20

Finding the Fourth Proportional to 177,147,409.20, 265,721,113.80 and 86,448,145.20

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Solution

The fourth proportional to 177,147,409.20, 265,721,113.80 and 86,448,145.20 is: 129,672,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,409.20 : 265,721,113.80 = 86,448,145.20 : x
  2. Step 2: Convert to fraction form
    177,147,409.20/265,721,113.80 = 86,448,145.20/x
  3. Step 3: Cross multiply
    177,147,409.20x = 265,721,113.80 × 86,448,145.20
  4. Step 4: Simplify right side
    177,147,409.20x = 22,971,097,428,488,124
  5. Step 5: Solve for x
    x = 22,971,097,428,488,124/177,147,409.20
  6. Step 6: Final answer
    x = 129,672,217.80

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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.