Home / 177,147,273.70-265,720,910.55-86,448,009.70

Finding the Fourth Proportional to 177,147,273.70, 265,720,910.55 and 86,448,009.70

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Solution

The fourth proportional to 177,147,273.70, 265,720,910.55 and 86,448,009.70 is: 129,672,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,273.70 : 265,720,910.55 = 86,448,009.70 : x
  2. Step 2: Convert to fraction form
    177,147,273.70/265,720,910.55 = 86,448,009.70/x
  3. Step 3: Cross multiply
    177,147,273.70x = 265,720,910.55 × 86,448,009.70
  4. Step 4: Simplify right side
    177,147,273.70x = 22,971,043,852,719,236
  5. Step 5: Solve for x
    x = 22,971,043,852,719,236/177,147,273.70
  6. Step 6: Final answer
    x = 129,672,014.55

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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.