Home / 76,771,902.56-105,945,217.92-41,964,732.80

Finding the Fourth Proportional to 76,771,902.56, 105,945,217.92 and 41,964,732.80

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Solution

The fourth proportional to 76,771,902.56, 105,945,217.92 and 41,964,732.80 is: 57,911,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,771,902.56 : 105,945,217.92 = 41,964,732.80 : x
  2. Step 2: Convert to fraction form
    76,771,902.56/105,945,217.92 = 41,964,732.80/x
  3. Step 3: Cross multiply
    76,771,902.56x = 105,945,217.92 × 41,964,732.80
  4. Step 4: Simplify right side
    76,771,902.56x = 4,445,962,761,450,571.50
  5. Step 5: Solve for x
    x = 4,445,962,761,450,571.50/76,771,902.56
  6. Step 6: Final answer
    x = 57,911,327.10

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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.