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Finding the Fourth Proportional to 64,766,394.40, 89,377,472.46 and 36,889,099.24

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Solution

The fourth proportional to 64,766,394.40, 89,377,472.46 and 36,889,099.24 is: 50,906,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,766,394.40 : 89,377,472.46 = 36,889,099.24 : x
  2. Step 2: Convert to fraction form
    64,766,394.40/89,377,472.46 = 36,889,099.24/x
  3. Step 3: Cross multiply
    64,766,394.40x = 89,377,472.46 × 36,889,099.24
  4. Step 4: Simplify right side
    64,766,394.40x = 3,297,054,451,397,307
  5. Step 5: Solve for x
    x = 3,297,054,451,397,307/64,766,394.40
  6. Step 6: Final answer
    x = 50,906,870.48

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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.