Home / 126,027,401.20-189,041,101.80-49,324,937.20

Finding the Fourth Proportional to 126,027,401.20, 189,041,101.80 and 49,324,937.20

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Solution

The fourth proportional to 126,027,401.20, 189,041,101.80 and 49,324,937.20 is: 73,987,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,401.20 : 189,041,101.80 = 49,324,937.20 : x
  2. Step 2: Convert to fraction form
    126,027,401.20/189,041,101.80 = 49,324,937.20/x
  3. Step 3: Cross multiply
    126,027,401.20x = 189,041,101.80 × 49,324,937.20
  4. Step 4: Simplify right side
    126,027,401.20x = 9,324,440,474,503,808
  5. Step 5: Solve for x
    x = 9,324,440,474,503,808/126,027,401.20
  6. Step 6: Final answer
    x = 73,987,405.80

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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.