Home / 220,490,974.12-330,736,461.02-82,327,371.07

Finding the Fourth Proportional to 220,490,974.12, 330,736,461.02 and 82,327,371.07

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Solution

The fourth proportional to 220,490,974.12, 330,736,461.02 and 82,327,371.07 is: 123,491,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,490,974.12 : 330,736,461.02 = 82,327,371.07 : x
  2. Step 2: Convert to fraction form
    220,490,974.12/330,736,461.02 = 82,327,371.07/x
  3. Step 3: Cross multiply
    220,490,974.12x = 330,736,461.02 × 82,327,371.07
  4. Step 4: Simplify right side
    220,490,974.12x = 27,228,663,352,772,128
  5. Step 5: Solve for x
    x = 27,228,663,352,772,128/220,490,974.12
  6. Step 6: Final answer
    x = 123,491,056.55

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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.