Home / 86,515,462.38-119,391,375.42-47,357,462.46

Finding the Fourth Proportional to 86,515,462.38, 119,391,375.42 and 47,357,462.46

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Solution

The fourth proportional to 86,515,462.38, 119,391,375.42 and 47,357,462.46 is: 65,353,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,515,462.38 : 119,391,375.42 = 47,357,462.46 : x
  2. Step 2: Convert to fraction form
    86,515,462.38/119,391,375.42 = 47,357,462.46/x
  3. Step 3: Cross multiply
    86,515,462.38x = 119,391,375.42 × 47,357,462.46
  4. Step 4: Simplify right side
    86,515,462.38x = 5,654,072,579,500,417
  5. Step 5: Solve for x
    x = 5,654,072,579,500,417/86,515,462.38
  6. Step 6: Final answer
    x = 65,353,318.63

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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.