Home / 142,876,375.89-214,314,146.87-39,245,680.14

Finding the Fourth Proportional to 142,876,375.89, 214,314,146.87 and 39,245,680.14

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Solution

The fourth proportional to 142,876,375.89, 214,314,146.87 and 39,245,680.14 is: 58,868,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,876,375.89 : 214,314,146.87 = 39,245,680.14 : x
  2. Step 2: Convert to fraction form
    142,876,375.89/214,314,146.87 = 39,245,680.14/x
  3. Step 3: Cross multiply
    142,876,375.89x = 214,314,146.87 × 39,245,680.14
  4. Step 4: Simplify right side
    142,876,375.89x = 8,410,904,457,340,774
  5. Step 5: Solve for x
    x = 8,410,904,457,340,774/142,876,375.89
  6. Step 6: Final answer
    x = 58,868,405.68

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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.