Home / 131,868,002.20-197,802,003.30-36,129,890.20

Finding the Fourth Proportional to 131,868,002.20, 197,802,003.30 and 36,129,890.20

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Solution

The fourth proportional to 131,868,002.20, 197,802,003.30 and 36,129,890.20 is: 54,194,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,002.20 : 197,802,003.30 = 36,129,890.20 : x
  2. Step 2: Convert to fraction form
    131,868,002.20/197,802,003.30 = 36,129,890.20/x
  3. Step 3: Cross multiply
    131,868,002.20x = 197,802,003.30 × 36,129,890.20
  4. Step 4: Simplify right side
    131,868,002.20x = 7,146,564,660,569,039
  5. Step 5: Solve for x
    x = 7,146,564,660,569,039/131,868,002.20
  6. Step 6: Final answer
    x = 54,194,835.30

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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.