Home / 113,103,414.30-169,655,121.46-55,707,786.30

Finding the Fourth Proportional to 113,103,414.30, 169,655,121.46 and 55,707,786.30

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Solution

The fourth proportional to 113,103,414.30, 169,655,121.46 and 55,707,786.30 is: 83,561,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103,414.30 : 169,655,121.46 = 55,707,786.30 : x
  2. Step 2: Convert to fraction form
    113,103,414.30/169,655,121.46 = 55,707,786.30/x
  3. Step 3: Cross multiply
    113,103,414.30x = 169,655,121.46 × 55,707,786.30
  4. Step 4: Simplify right side
    113,103,414.30x = 9,451,111,250,994,224
  5. Step 5: Solve for x
    x = 9,451,111,250,994,224/113,103,414.30
  6. Step 6: Final answer
    x = 83,561,679.45

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Double scale
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Similar ratio
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1.5x scale

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.