Home / 66,767,512.70-100,151,269.05-49,548,824.30

Finding the Fourth Proportional to 66,767,512.70, 100,151,269.05 and 49,548,824.30

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Solution

The fourth proportional to 66,767,512.70, 100,151,269.05 and 49,548,824.30 is: 74,323,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,767,512.70 : 100,151,269.05 = 49,548,824.30 : x
  2. Step 2: Convert to fraction form
    66,767,512.70/100,151,269.05 = 49,548,824.30/x
  3. Step 3: Cross multiply
    66,767,512.70x = 100,151,269.05 × 49,548,824.30
  4. Step 4: Simplify right side
    66,767,512.70x = 4,962,377,633,580,477
  5. Step 5: Solve for x
    x = 4,962,377,633,580,477/66,767,512.70
  6. Step 6: Final answer
    x = 74,323,236.45

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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.