Home / 121,479,605.70-182,219,408.55-112,126,244.10

Finding the Fourth Proportional to 121,479,605.70, 182,219,408.55 and 112,126,244.10

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Solution

The fourth proportional to 121,479,605.70, 182,219,408.55 and 112,126,244.10 is: 168,189,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,479,605.70 : 182,219,408.55 = 112,126,244.10 : x
  2. Step 2: Convert to fraction form
    121,479,605.70/182,219,408.55 = 112,126,244.10/x
  3. Step 3: Cross multiply
    121,479,605.70x = 182,219,408.55 × 112,126,244.10
  4. Step 4: Simplify right side
    121,479,605.70x = 20,431,577,882,834,928
  5. Step 5: Solve for x
    x = 20,431,577,882,834,928/121,479,605.70
  6. Step 6: Final answer
    x = 168,189,366.15

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Double scale
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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.