Home / 138,029,232.60-206,868,014.10-73,364,016.60

Finding the Fourth Proportional to 138,029,232.60, 206,868,014.10 and 73,364,016.60

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Solution

The fourth proportional to 138,029,232.60, 206,868,014.10 and 73,364,016.60 is: 109,952,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,029,232.60 : 206,868,014.10 = 73,364,016.60 : x
  2. Step 2: Convert to fraction form
    138,029,232.60/206,868,014.10 = 73,364,016.60/x
  3. Step 3: Cross multiply
    138,029,232.60x = 206,868,014.10 × 73,364,016.60
  4. Step 4: Simplify right side
    138,029,232.60x = 15,176,668,420,441,432
  5. Step 5: Solve for x
    x = 15,176,668,420,441,432/138,029,232.60
  6. Step 6: Final answer
    x = 109,952,566.82

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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.