Home / 261,790,898.64-361,273,876.92-144,320,432.56

Finding the Fourth Proportional to 261,790,898.64, 361,273,876.92 and 144,320,432.56

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Solution

The fourth proportional to 261,790,898.64, 361,273,876.92 and 144,320,432.56 is: 199,163,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,790,898.64 : 361,273,876.92 = 144,320,432.56 : x
  2. Step 2: Convert to fraction form
    261,790,898.64/361,273,876.92 = 144,320,432.56/x
  3. Step 3: Cross multiply
    261,790,898.64x = 361,273,876.92 × 144,320,432.56
  4. Step 4: Simplify right side
    261,790,898.64x = 52,139,202,189,722,600
  5. Step 5: Solve for x
    x = 52,139,202,189,722,600/261,790,898.64
  6. Step 6: Final answer
    x = 199,163,540.29

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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.