Home / 81,275,942.72-112,160,873.46-44,106,222.92

Finding the Fourth Proportional to 81,275,942.72, 112,160,873.46 and 44,106,222.92

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Solution

The fourth proportional to 81,275,942.72, 112,160,873.46 and 44,106,222.92 is: 60,866,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,275,942.72 : 112,160,873.46 = 44,106,222.92 : x
  2. Step 2: Convert to fraction form
    81,275,942.72/112,160,873.46 = 44,106,222.92/x
  3. Step 3: Cross multiply
    81,275,942.72x = 112,160,873.46 × 44,106,222.92
  4. Step 4: Simplify right side
    81,275,942.72x = 4,946,992,487,728,672
  5. Step 5: Solve for x
    x = 4,946,992,487,728,672/81,275,942.72
  6. Step 6: Final answer
    x = 60,866,626.98

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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.