Home / 126,588,000.20-189,882,000.30-121,486,166.60

Finding the Fourth Proportional to 126,588,000.20, 189,882,000.30 and 121,486,166.60

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Solution

The fourth proportional to 126,588,000.20, 189,882,000.30 and 121,486,166.60 is: 182,229,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,588,000.20 : 189,882,000.30 = 121,486,166.60 : x
  2. Step 2: Convert to fraction form
    126,588,000.20/189,882,000.30 = 121,486,166.60/x
  3. Step 3: Cross multiply
    126,588,000.20x = 189,882,000.30 × 121,486,166.60
  4. Step 4: Simplify right side
    126,588,000.20x = 23,068,036,322,787,052
  5. Step 5: Solve for x
    x = 23,068,036,322,787,052/126,588,000.20
  6. Step 6: Final answer
    x = 182,229,249.90

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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.