Home / 82,039,741.44-123,050,211.84-21,461,314.56

Finding the Fourth Proportional to 82,039,741.44, 123,050,211.84 and 21,461,314.56

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Solution

The fourth proportional to 82,039,741.44, 123,050,211.84 and 21,461,314.56 is: 32,189,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,039,741.44 : 123,050,211.84 = 21,461,314.56 : x
  2. Step 2: Convert to fraction form
    82,039,741.44/123,050,211.84 = 21,461,314.56/x
  3. Step 3: Cross multiply
    82,039,741.44x = 123,050,211.84 × 21,461,314.56
  4. Step 4: Simplify right side
    82,039,741.44x = 2,640,819,302,972,876.50
  5. Step 5: Solve for x
    x = 2,640,819,302,972,876.50/82,039,741.44
  6. Step 6: Final answer
    x = 32,189,512.75

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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.