Home / 177,121,092.70-265,731,405.45-86,247,646.30

Finding the Fourth Proportional to 177,121,092.70, 265,731,405.45 and 86,247,646.30

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Solution

The fourth proportional to 177,121,092.70, 265,731,405.45 and 86,247,646.30 is: 129,395,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,121,092.70 : 265,731,405.45 = 86,247,646.30 : x
  2. Step 2: Convert to fraction form
    177,121,092.70/265,731,405.45 = 86,247,646.30/x
  3. Step 3: Cross multiply
    177,121,092.70x = 265,731,405.45 × 86,247,646.30
  4. Step 4: Simplify right side
    177,121,092.70x = 22,918,708,268,053,492
  5. Step 5: Solve for x
    x = 22,918,708,268,053,492/177,121,092.70
  6. Step 6: Final answer
    x = 129,395,702.79

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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.