Home / 126,220,810.20-189,331,215.30-113,041,073.40

Finding the Fourth Proportional to 126,220,810.20, 189,331,215.30 and 113,041,073.40

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Solution

The fourth proportional to 126,220,810.20, 189,331,215.30 and 113,041,073.40 is: 169,561,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220,810.20 : 189,331,215.30 = 113,041,073.40 : x
  2. Step 2: Convert to fraction form
    126,220,810.20/189,331,215.30 = 113,041,073.40/x
  3. Step 3: Cross multiply
    126,220,810.20x = 189,331,215.30 × 113,041,073.40
  4. Step 4: Simplify right side
    126,220,810.20x = 21,402,203,805,638,504
  5. Step 5: Solve for x
    x = 21,402,203,805,638,504/126,220,810.20
  6. Step 6: Final answer
    x = 169,561,610.10

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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.