Home / 112,969,225.40-155,888,975.40-63,400,025.66

Finding the Fourth Proportional to 112,969,225.40, 155,888,975.40 and 63,400,025.66

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Solution

The fourth proportional to 112,969,225.40, 155,888,975.40 and 63,400,025.66 is: 87,487,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,225.40 : 155,888,975.40 = 63,400,025.66 : x
  2. Step 2: Convert to fraction form
    112,969,225.40/155,888,975.40 = 63,400,025.66/x
  3. Step 3: Cross multiply
    112,969,225.40x = 155,888,975.40 × 63,400,025.66
  4. Step 4: Simplify right side
    112,969,225.40x = 9,883,365,040,471,108
  5. Step 5: Solve for x
    x = 9,883,365,040,471,108/112,969,225.40
  6. Step 6: Final answer
    x = 87,487,233.85

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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.