Home / 177,087,239-265,086,046.80-115,543,879.64

Finding the Fourth Proportional to 177,087,239, 265,086,046.80 and 115,543,879.64

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Solution

The fourth proportional to 177,087,239, 265,086,046.80 and 115,543,879.64 is: 172,960,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,087,239 : 265,086,046.80 = 115,543,879.64 : x
  2. Step 2: Convert to fraction form
    177,087,239/265,086,046.80 = 115,543,879.64/x
  3. Step 3: Cross multiply
    177,087,239x = 265,086,046.80 × 115,543,879.64
  4. Step 4: Simplify right side
    177,087,239x = 30,629,070,285,702,608
  5. Step 5: Solve for x
    x = 30,629,070,285,702,608/177,087,239
  6. Step 6: Final answer
    x = 172,960,346.88

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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.