Home / 82,662,046.70-123,925,885.41-28,847,150.06

Finding the Fourth Proportional to 82,662,046.70, 123,925,885.41 and 28,847,150.06

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Solution

The fourth proportional to 82,662,046.70, 123,925,885.41 and 28,847,150.06 is: 43,247,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,662,046.70 : 123,925,885.41 = 28,847,150.06 : x
  2. Step 2: Convert to fraction form
    82,662,046.70/123,925,885.41 = 28,847,150.06/x
  3. Step 3: Cross multiply
    82,662,046.70x = 123,925,885.41 × 28,847,150.06
  4. Step 4: Simplify right side
    82,662,046.70x = 3,574,908,612,740,634.50
  5. Step 5: Solve for x
    x = 3,574,908,612,740,634.50/82,662,046.70
  6. Step 6: Final answer
    x = 43,247,279.20

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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.