Home / 129,276,602.20-193,914,903.30-52,654,619.80

Finding the Fourth Proportional to 129,276,602.20, 193,914,903.30 and 52,654,619.80

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Solution

The fourth proportional to 129,276,602.20, 193,914,903.30 and 52,654,619.80 is: 78,981,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,602.20 : 193,914,903.30 = 52,654,619.80 : x
  2. Step 2: Convert to fraction form
    129,276,602.20/193,914,903.30 = 52,654,619.80/x
  3. Step 3: Cross multiply
    129,276,602.20x = 193,914,903.30 × 52,654,619.80
  4. Step 4: Simplify right side
    129,276,602.20x = 10,210,515,506,815,266
  5. Step 5: Solve for x
    x = 10,210,515,506,815,266/129,276,602.20
  6. Step 6: Final answer
    x = 78,981,929.70

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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.