Home / 126,822,414.80-190,233,622.20-82,984,437.20

Finding the Fourth Proportional to 126,822,414.80, 190,233,622.20 and 82,984,437.20

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Solution

The fourth proportional to 126,822,414.80, 190,233,622.20 and 82,984,437.20 is: 124,476,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822,414.80 : 190,233,622.20 = 82,984,437.20 : x
  2. Step 2: Convert to fraction form
    126,822,414.80/190,233,622.20 = 82,984,437.20/x
  3. Step 3: Cross multiply
    126,822,414.80x = 190,233,622.20 × 82,984,437.20
  4. Step 4: Simplify right side
    126,822,414.80x = 15,786,430,074,784,426
  5. Step 5: Solve for x
    x = 15,786,430,074,784,426/126,822,414.80
  6. Step 6: Final answer
    x = 124,476,655.80

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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.