Home / 82,026,239.40-123,039,359.10-21,441,965.40

Finding the Fourth Proportional to 82,026,239.40, 123,039,359.10 and 21,441,965.40

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Solution

The fourth proportional to 82,026,239.40, 123,039,359.10 and 21,441,965.40 is: 32,162,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,026,239.40 : 123,039,359.10 = 21,441,965.40 : x
  2. Step 2: Convert to fraction form
    82,026,239.40/123,039,359.10 = 21,441,965.40/x
  3. Step 3: Cross multiply
    82,026,239.40x = 123,039,359.10 × 21,441,965.40
  4. Step 4: Simplify right side
    82,026,239.40x = 2,638,205,680,660,375
  5. Step 5: Solve for x
    x = 2,638,205,680,660,375/82,026,239.40
  6. Step 6: Final answer
    x = 32,162,948.10

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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.