Home / 91,002,076.20-136,503,114.30-60,391,074.60

Finding the Fourth Proportional to 91,002,076.20, 136,503,114.30 and 60,391,074.60

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Solution

The fourth proportional to 91,002,076.20, 136,503,114.30 and 60,391,074.60 is: 90,586,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,002,076.20 : 136,503,114.30 = 60,391,074.60 : x
  2. Step 2: Convert to fraction form
    91,002,076.20/136,503,114.30 = 60,391,074.60/x
  3. Step 3: Cross multiply
    91,002,076.20x = 136,503,114.30 × 60,391,074.60
  4. Step 4: Simplify right side
    91,002,076.20x = 8,243,569,758,823,628
  5. Step 5: Solve for x
    x = 8,243,569,758,823,628/91,002,076.20
  6. Step 6: Final answer
    x = 90,586,611.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.