Home / 126,220,809.70-189,331,214.55-113,041,072.90

Finding the Fourth Proportional to 126,220,809.70, 189,331,214.55 and 113,041,072.90

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Solution

The fourth proportional to 126,220,809.70, 189,331,214.55 and 113,041,072.90 is: 169,561,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220,809.70 : 189,331,214.55 = 113,041,072.90 : x
  2. Step 2: Convert to fraction form
    126,220,809.70/189,331,214.55 = 113,041,072.90/x
  3. Step 3: Cross multiply
    126,220,809.70x = 189,331,214.55 × 113,041,072.90
  4. Step 4: Simplify right side
    126,220,809.70x = 21,402,203,626,192,092
  5. Step 5: Solve for x
    x = 21,402,203,626,192,092/126,220,809.70
  6. Step 6: Final answer
    x = 169,561,609.35

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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.