Home / 126,416,434.20-189,660,080.70-61,722,349.80

Finding the Fourth Proportional to 126,416,434.20, 189,660,080.70 and 61,722,349.80

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Solution

The fourth proportional to 126,416,434.20, 189,660,080.70 and 61,722,349.80 is: 92,600,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,416,434.20 : 189,660,080.70 = 61,722,349.80 : x
  2. Step 2: Convert to fraction form
    126,416,434.20/189,660,080.70 = 61,722,349.80/x
  3. Step 3: Cross multiply
    126,416,434.20x = 189,660,080.70 × 61,722,349.80
  4. Step 4: Simplify right side
    126,416,434.20x = 11,706,265,844,061,628
  5. Step 5: Solve for x
    x = 11,706,265,844,061,628/126,416,434.20
  6. Step 6: Final answer
    x = 92,600,822.97

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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.