Home / 295,127,959.40-442,691,939.10-90,666,204.20

Finding the Fourth Proportional to 295,127,959.40, 442,691,939.10 and 90,666,204.20

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Solution

The fourth proportional to 295,127,959.40, 442,691,939.10 and 90,666,204.20 is: 135,999,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,127,959.40 : 442,691,939.10 = 90,666,204.20 : x
  2. Step 2: Convert to fraction form
    295,127,959.40/442,691,939.10 = 90,666,204.20/x
  3. Step 3: Cross multiply
    295,127,959.40x = 442,691,939.10 × 90,666,204.20
  4. Step 4: Simplify right side
    295,127,959.40x = 40,137,197,748,134,568
  5. Step 5: Solve for x
    x = 40,137,197,748,134,568/295,127,959.40
  6. Step 6: Final answer
    x = 135,999,306.30

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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.