Home / 81,660,207.30-122,490,310.95-36,222,001.80

Finding the Fourth Proportional to 81,660,207.30, 122,490,310.95 and 36,222,001.80

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Solution

The fourth proportional to 81,660,207.30, 122,490,310.95 and 36,222,001.80 is: 54,333,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,660,207.30 : 122,490,310.95 = 36,222,001.80 : x
  2. Step 2: Convert to fraction form
    81,660,207.30/122,490,310.95 = 36,222,001.80/x
  3. Step 3: Cross multiply
    81,660,207.30x = 122,490,310.95 × 36,222,001.80
  4. Step 4: Simplify right side
    81,660,207.30x = 4,436,844,263,713,459.50
  5. Step 5: Solve for x
    x = 4,436,844,263,713,459.50/81,660,207.30
  6. Step 6: Final answer
    x = 54,333,002.70

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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.