Home / 561,348,042.75-842,101,189.18-173,202,432.03

Finding the Fourth Proportional to 561,348,042.75, 842,101,189.18 and 173,202,432.03

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Solution

The fourth proportional to 561,348,042.75, 842,101,189.18 and 173,202,432.03 is: 259,828,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,348,042.75 : 842,101,189.18 = 173,202,432.03 : x
  2. Step 2: Convert to fraction form
    561,348,042.75/842,101,189.18 = 173,202,432.03/x
  3. Step 3: Cross multiply
    561,348,042.75x = 842,101,189.18 × 173,202,432.03
  4. Step 4: Simplify right side
    561,348,042.75x = 145,853,973,980,898,112
  5. Step 5: Solve for x
    x = 145,853,973,980,898,112/561,348,042.75
  6. Step 6: Final answer
    x = 259,828,061.87

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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.