Home / 114,948,003.40-172,422,005.10-109,279,299.40

Finding the Fourth Proportional to 114,948,003.40, 172,422,005.10 and 109,279,299.40

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Solution

The fourth proportional to 114,948,003.40, 172,422,005.10 and 109,279,299.40 is: 163,918,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,948,003.40 : 172,422,005.10 = 109,279,299.40 : x
  2. Step 2: Convert to fraction form
    114,948,003.40/172,422,005.10 = 109,279,299.40/x
  3. Step 3: Cross multiply
    114,948,003.40x = 172,422,005.10 × 109,279,299.40
  4. Step 4: Simplify right side
    114,948,003.40x = 18,842,155,918,471,228
  5. Step 5: Solve for x
    x = 18,842,155,918,471,228/114,948,003.40
  6. Step 6: Final answer
    x = 163,918,949.10

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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.