Home / 112,969,229.20-155,888,980.66-63,400,029.48

Finding the Fourth Proportional to 112,969,229.20, 155,888,980.66 and 63,400,029.48

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Solution

The fourth proportional to 112,969,229.20, 155,888,980.66 and 63,400,029.48 is: 87,487,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,229.20 : 155,888,980.66 = 63,400,029.48 : x
  2. Step 2: Convert to fraction form
    112,969,229.20/155,888,980.66 = 63,400,029.48/x
  3. Step 3: Cross multiply
    112,969,229.20x = 155,888,980.66 × 63,400,029.48
  4. Step 4: Simplify right side
    112,969,229.20x = 9,883,365,969,451,150
  5. Step 5: Solve for x
    x = 9,883,365,969,451,150/112,969,229.20
  6. Step 6: Final answer
    x = 87,487,239.13

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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.