Home / 68,863,929.76-95,029,152.72-39,474,188.32

Finding the Fourth Proportional to 68,863,929.76, 95,029,152.72 and 39,474,188.32

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Solution

The fourth proportional to 68,863,929.76, 95,029,152.72 and 39,474,188.32 is: 54,472,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863,929.76 : 95,029,152.72 = 39,474,188.32 : x
  2. Step 2: Convert to fraction form
    68,863,929.76/95,029,152.72 = 39,474,188.32/x
  3. Step 3: Cross multiply
    68,863,929.76x = 95,029,152.72 × 39,474,188.32
  4. Step 4: Simplify right side
    68,863,929.76x = 3,751,198,670,359,320
  5. Step 5: Solve for x
    x = 3,751,198,670,359,320/68,863,929.76
  6. Step 6: Final answer
    x = 54,472,619.90

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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.