Home / 261,761,662.53-361,231,006.19-144,288,954.52

Finding the Fourth Proportional to 261,761,662.53, 361,231,006.19 and 144,288,954.52

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Solution

The fourth proportional to 261,761,662.53, 361,231,006.19 and 144,288,954.52 is: 199,118,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,761,662.53 : 361,231,006.19 = 144,288,954.52 : x
  2. Step 2: Convert to fraction form
    261,761,662.53/361,231,006.19 = 144,288,954.52/x
  3. Step 3: Cross multiply
    261,761,662.53x = 361,231,006.19 × 144,288,954.52
  4. Step 4: Simplify right side
    261,761,662.53x = 52,121,644,221,738,232
  5. Step 5: Solve for x
    x = 52,121,644,221,738,232/261,761,662.53
  6. Step 6: Final answer
    x = 199,118,708.67

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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.