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Finding the Fourth Proportional to 194,791,716, 268,821,018 and 107,871,588

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Solution

The fourth proportional to 194,791,716, 268,821,018 and 107,871,588 is: 148,867,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,791,716 : 268,821,018 = 107,871,588 : x
  2. Step 2: Convert to fraction form
    194,791,716/268,821,018 = 107,871,588/x
  3. Step 3: Cross multiply
    194,791,716x = 268,821,018 × 107,871,588
  4. Step 4: Simplify right side
    194,791,716x = 28,998,150,099,436,584
  5. Step 5: Solve for x
    x = 28,998,150,099,436,584/194,791,716
  6. Step 6: Final answer
    x = 148,867,470.83

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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.