Home / 86,469,546.15-119,327,894.96-47,311,486.11

Finding the Fourth Proportional to 86,469,546.15, 119,327,894.96 and 47,311,486.11

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Solution

The fourth proportional to 86,469,546.15, 119,327,894.96 and 47,311,486.11 is: 65,289,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,469,546.15 : 119,327,894.96 = 47,311,486.11 : x
  2. Step 2: Convert to fraction form
    86,469,546.15/119,327,894.96 = 47,311,486.11/x
  3. Step 3: Cross multiply
    86,469,546.15x = 119,327,894.96 × 47,311,486.11
  4. Step 4: Simplify right side
    86,469,546.15x = 5,645,580,044,699,021
  5. Step 5: Solve for x
    x = 5,645,580,044,699,021/86,469,546.15
  6. Step 6: Final answer
    x = 65,289,807.75

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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.