Home / 82,311,881.12-113,582,208-47,515,781.48

Finding the Fourth Proportional to 82,311,881.12, 113,582,208 and 47,515,781.48

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Solution

The fourth proportional to 82,311,881.12, 113,582,208 and 47,515,781.48 is: 65,567,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311,881.12 : 113,582,208 = 47,515,781.48 : x
  2. Step 2: Convert to fraction form
    82,311,881.12/113,582,208 = 47,515,781.48/x
  3. Step 3: Cross multiply
    82,311,881.12x = 113,582,208 × 47,515,781.48
  4. Step 4: Simplify right side
    82,311,881.12x = 5,396,947,375,343,907
  5. Step 5: Solve for x
    x = 5,396,947,375,343,907/82,311,881.12
  6. Step 6: Final answer
    x = 65,567,051.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.