Home / 261,673,278.40-361,111,512.36-144,202,823.44

Finding the Fourth Proportional to 261,673,278.40, 361,111,512.36 and 144,202,823.44

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Solution

The fourth proportional to 261,673,278.40, 361,111,512.36 and 144,202,823.44 is: 199,001,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,673,278.40 : 361,111,512.36 = 144,202,823.44 : x
  2. Step 2: Convert to fraction form
    261,673,278.40/361,111,512.36 = 144,202,823.44/x
  3. Step 3: Cross multiply
    261,673,278.40x = 361,111,512.36 × 144,202,823.44
  4. Step 4: Simplify right side
    261,673,278.40x = 52,073,299,659,000,456
  5. Step 5: Solve for x
    x = 52,073,299,659,000,456/261,673,278.40
  6. Step 6: Final answer
    x = 199,001,212.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.