Home / 126,027,376.70-189,041,065.05-49,324,912.70

Finding the Fourth Proportional to 126,027,376.70, 189,041,065.05 and 49,324,912.70

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Solution

The fourth proportional to 126,027,376.70, 189,041,065.05 and 49,324,912.70 is: 73,987,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,376.70 : 189,041,065.05 = 49,324,912.70 : x
  2. Step 2: Convert to fraction form
    126,027,376.70/189,041,065.05 = 49,324,912.70/x
  3. Step 3: Cross multiply
    126,027,376.70x = 189,041,065.05 × 49,324,912.70
  4. Step 4: Simplify right side
    126,027,376.70x = 9,324,434,030,306,272
  5. Step 5: Solve for x
    x = 9,324,434,030,306,272/126,027,376.70
  6. Step 6: Final answer
    x = 73,987,369.05

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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.