Home / 131,922,037.56-182,055,762.32-72,383,317.91

Finding the Fourth Proportional to 131,922,037.56, 182,055,762.32 and 72,383,317.91

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Solution

The fourth proportional to 131,922,037.56, 182,055,762.32 and 72,383,317.91 is: 99,890,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,922,037.56 : 182,055,762.32 = 72,383,317.91 : x
  2. Step 2: Convert to fraction form
    131,922,037.56/182,055,762.32 = 72,383,317.91/x
  3. Step 3: Cross multiply
    131,922,037.56x = 182,055,762.32 × 72,383,317.91
  4. Step 4: Simplify right side
    131,922,037.56x = 13,177,800,120,868,534
  5. Step 5: Solve for x
    x = 13,177,800,120,868,534/131,922,037.56
  6. Step 6: Final answer
    x = 99,890,817.07

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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.