Home / 86,515,456.38-119,391,367.14-47,357,456.46

Finding the Fourth Proportional to 86,515,456.38, 119,391,367.14 and 47,357,456.46

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Solution

The fourth proportional to 86,515,456.38, 119,391,367.14 and 47,357,456.46 is: 65,353,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,515,456.38 : 119,391,367.14 = 47,357,456.46 : x
  2. Step 2: Convert to fraction form
    86,515,456.38/119,391,367.14 = 47,357,456.46/x
  3. Step 3: Cross multiply
    86,515,456.38x = 119,391,367.14 × 47,357,456.46
  4. Step 4: Simplify right side
    86,515,456.38x = 5,654,071,471,032,425
  5. Step 5: Solve for x
    x = 5,654,071,471,032,425/86,515,456.38
  6. Step 6: Final answer
    x = 65,353,310.35

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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.