Home / 83,896,171.30-125,631,680.55-66,890,059.30

Finding the Fourth Proportional to 83,896,171.30, 125,631,680.55 and 66,890,059.30

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Solution

The fourth proportional to 83,896,171.30, 125,631,680.55 and 66,890,059.30 is: 100,165,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,896,171.30 : 125,631,680.55 = 66,890,059.30 : x
  2. Step 2: Convert to fraction form
    83,896,171.30/125,631,680.55 = 66,890,059.30/x
  3. Step 3: Cross multiply
    83,896,171.30x = 125,631,680.55 × 66,890,059.30
  4. Step 4: Simplify right side
    83,896,171.30x = 8,403,510,561,948,156
  5. Step 5: Solve for x
    x = 8,403,510,561,948,156/83,896,171.30
  6. Step 6: Final answer
    x = 100,165,602.69

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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.