Home / 82,189,324.78-113,420,985.15-47,381,849.26

Finding the Fourth Proportional to 82,189,324.78, 113,420,985.15 and 47,381,849.26

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Solution

The fourth proportional to 82,189,324.78, 113,420,985.15 and 47,381,849.26 is: 65,386,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,189,324.78 : 113,420,985.15 = 47,381,849.26 : x
  2. Step 2: Convert to fraction form
    82,189,324.78/113,420,985.15 = 47,381,849.26/x
  3. Step 3: Cross multiply
    82,189,324.78x = 113,420,985.15 × 47,381,849.26
  4. Step 4: Simplify right side
    82,189,324.78x = 5,374,096,021,297,999
  5. Step 5: Solve for x
    x = 5,374,096,021,297,999/82,189,324.78
  6. Step 6: Final answer
    x = 65,386,788.80

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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.