Home / 99,299,446.20-148,949,169.30-31,142,028.60

Finding the Fourth Proportional to 99,299,446.20, 148,949,169.30 and 31,142,028.60

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Solution

The fourth proportional to 99,299,446.20, 148,949,169.30 and 31,142,028.60 is: 46,713,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299,446.20 : 148,949,169.30 = 31,142,028.60 : x
  2. Step 2: Convert to fraction form
    99,299,446.20/148,949,169.30 = 31,142,028.60/x
  3. Step 3: Cross multiply
    99,299,446.20x = 148,949,169.30 × 31,142,028.60
  4. Step 4: Simplify right side
    99,299,446.20x = 4,638,579,290,286,843
  5. Step 5: Solve for x
    x = 4,638,579,290,286,843/99,299,446.20
  6. Step 6: Final answer
    x = 46,713,042.90

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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.