Home / 330,228,001.20-495,342,001.80-136,039,459.80

Finding the Fourth Proportional to 330,228,001.20, 495,342,001.80 and 136,039,459.80

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Solution

The fourth proportional to 330,228,001.20, 495,342,001.80 and 136,039,459.80 is: 204,059,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,228,001.20 : 495,342,001.80 = 136,039,459.80 : x
  2. Step 2: Convert to fraction form
    330,228,001.20/495,342,001.80 = 136,039,459.80/x
  3. Step 3: Cross multiply
    330,228,001.20x = 495,342,001.80 × 136,039,459.80
  4. Step 4: Simplify right side
    330,228,001.20x = 67,386,058,341,122,632
  5. Step 5: Solve for x
    x = 67,386,058,341,122,632/330,228,001.20
  6. Step 6: Final answer
    x = 204,059,189.70

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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.