Home / 261,761,641.23-361,230,976.86-144,288,933.21

Finding the Fourth Proportional to 261,761,641.23, 361,230,976.86 and 144,288,933.21

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Solution

The fourth proportional to 261,761,641.23, 361,230,976.86 and 144,288,933.21 is: 199,118,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,761,641.23 : 361,230,976.86 = 144,288,933.21 : x
  2. Step 2: Convert to fraction form
    261,761,641.23/361,230,976.86 = 144,288,933.21/x
  3. Step 3: Cross multiply
    261,761,641.23x = 361,230,976.86 × 144,288,933.21
  4. Step 4: Simplify right side
    261,761,641.23x = 52,121,632,293,535,600
  5. Step 5: Solve for x
    x = 52,121,632,293,535,600/261,761,641.23
  6. Step 6: Final answer
    x = 199,118,679.30

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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.