Home / 165,996,031.20-248,994,046.80-108,665,138.40

Finding the Fourth Proportional to 165,996,031.20, 248,994,046.80 and 108,665,138.40

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Solution

The fourth proportional to 165,996,031.20, 248,994,046.80 and 108,665,138.40 is: 162,997,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996,031.20 : 248,994,046.80 = 108,665,138.40 : x
  2. Step 2: Convert to fraction form
    165,996,031.20/248,994,046.80 = 108,665,138.40/x
  3. Step 3: Cross multiply
    165,996,031.20x = 248,994,046.80 × 108,665,138.40
  4. Step 4: Simplify right side
    165,996,031.20x = 27,056,972,556,298,080
  5. Step 5: Solve for x
    x = 27,056,972,556,298,080/165,996,031.20
  6. Step 6: Final answer
    x = 162,997,707.60

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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.