Home / 112,277,620.96-155,015,993.76-100,496,470.48

Finding the Fourth Proportional to 112,277,620.96, 155,015,993.76 and 100,496,470.48

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Solution

The fourth proportional to 112,277,620.96, 155,015,993.76 and 100,496,470.48 is: 138,750,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277,620.96 : 155,015,993.76 = 100,496,470.48 : x
  2. Step 2: Convert to fraction form
    112,277,620.96/155,015,993.76 = 100,496,470.48/x
  3. Step 3: Cross multiply
    112,277,620.96x = 155,015,993.76 × 100,496,470.48
  4. Step 4: Simplify right side
    112,277,620.96x = 15,578,560,240,829,704
  5. Step 5: Solve for x
    x = 15,578,560,240,829,704/112,277,620.96
  6. Step 6: Final answer
    x = 138,750,359.22

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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.