Home / 131,922,039.06-182,055,764.39-72,383,319.41

Finding the Fourth Proportional to 131,922,039.06, 182,055,764.39 and 72,383,319.41

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Solution

The fourth proportional to 131,922,039.06, 182,055,764.39 and 72,383,319.41 is: 99,890,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,922,039.06 : 182,055,764.39 = 72,383,319.41 : x
  2. Step 2: Convert to fraction form
    131,922,039.06/182,055,764.39 = 72,383,319.41/x
  3. Step 3: Cross multiply
    131,922,039.06x = 182,055,764.39 × 72,383,319.41
  4. Step 4: Simplify right side
    131,922,039.06x = 13,177,800,543,000,878
  5. Step 5: Solve for x
    x = 13,177,800,543,000,878/131,922,039.06
  6. Step 6: Final answer
    x = 99,890,819.13

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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.