Home / 66,734,144.70-100,101,217.05-53,745,114.30

Finding the Fourth Proportional to 66,734,144.70, 100,101,217.05 and 53,745,114.30

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Solution

The fourth proportional to 66,734,144.70, 100,101,217.05 and 53,745,114.30 is: 80,617,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,144.70 : 100,101,217.05 = 53,745,114.30 : x
  2. Step 2: Convert to fraction form
    66,734,144.70/100,101,217.05 = 53,745,114.30/x
  3. Step 3: Cross multiply
    66,734,144.70x = 100,101,217.05 × 53,745,114.30
  4. Step 4: Simplify right side
    66,734,144.70x = 5,379,951,351,921,358
  5. Step 5: Solve for x
    x = 5,379,951,351,921,358/66,734,144.70
  6. Step 6: Final answer
    x = 80,617,671.45

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1.5x scale

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.