Home / 76,691,353.94-105,836,680-45,356,264

Finding the Fourth Proportional to 76,691,353.94, 105,836,680 and 45,356,264

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Solution

The fourth proportional to 76,691,353.94, 105,836,680 and 45,356,264 is: 62,593,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,353.94 : 105,836,680 = 45,356,264 : x
  2. Step 2: Convert to fraction form
    76,691,353.94/105,836,680 = 45,356,264/x
  3. Step 3: Cross multiply
    76,691,353.94x = 105,836,680 × 45,356,264
  4. Step 4: Simplify right side
    76,691,353.94x = 4,800,356,398,963,520
  5. Step 5: Solve for x
    x = 4,800,356,398,963,520/76,691,353.94
  6. Step 6: Final answer
    x = 62,593,188.83

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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.