Home / 77,022,086.64-106,302,190.68-49,156,819.44

Finding the Fourth Proportional to 77,022,086.64, 106,302,190.68 and 49,156,819.44

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Solution

The fourth proportional to 77,022,086.64, 106,302,190.68 and 49,156,819.44 is: 67,843,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022,086.64 : 106,302,190.68 = 49,156,819.44 : x
  2. Step 2: Convert to fraction form
    77,022,086.64/106,302,190.68 = 49,156,819.44/x
  3. Step 3: Cross multiply
    77,022,086.64x = 106,302,190.68 × 49,156,819.44
  4. Step 4: Simplify right side
    77,022,086.64x = 5,225,477,593,333,211
  5. Step 5: Solve for x
    x = 5,225,477,593,333,211/77,022,086.64
  6. Step 6: Final answer
    x = 67,843,885.06

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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.