Home / 126,027,367.20-189,041,050.80-49,324,903.20

Finding the Fourth Proportional to 126,027,367.20, 189,041,050.80 and 49,324,903.20

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Solution

The fourth proportional to 126,027,367.20, 189,041,050.80 and 49,324,903.20 is: 73,987,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,367.20 : 189,041,050.80 = 49,324,903.20 : x
  2. Step 2: Convert to fraction form
    126,027,367.20/189,041,050.80 = 49,324,903.20/x
  3. Step 3: Cross multiply
    126,027,367.20x = 189,041,050.80 × 49,324,903.20
  4. Step 4: Simplify right side
    126,027,367.20x = 9,324,431,531,536,284
  5. Step 5: Solve for x
    x = 9,324,431,531,536,284/126,027,367.20
  6. Step 6: Final answer
    x = 73,987,354.80

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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.