Home / 126,822,423.80-190,233,635.70-82,984,446.20

Finding the Fourth Proportional to 126,822,423.80, 190,233,635.70 and 82,984,446.20

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Solution

The fourth proportional to 126,822,423.80, 190,233,635.70 and 82,984,446.20 is: 124,476,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822,423.80 : 190,233,635.70 = 82,984,446.20 : x
  2. Step 2: Convert to fraction form
    126,822,423.80/190,233,635.70 = 82,984,446.20/x
  3. Step 3: Cross multiply
    126,822,423.80x = 190,233,635.70 × 82,984,446.20
  4. Step 4: Simplify right side
    126,822,423.80x = 15,786,432,907,177,048
  5. Step 5: Solve for x
    x = 15,786,432,907,177,048/126,822,423.80
  6. Step 6: Final answer
    x = 124,476,669.30

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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.