Home / 86,588,189.75-119,487,456.23-47,430,140.64

Finding the Fourth Proportional to 86,588,189.75, 119,487,456.23 and 47,430,140.64

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Solution

The fourth proportional to 86,588,189.75, 119,487,456.23 and 47,430,140.64 is: 65,451,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588,189.75 : 119,487,456.23 = 47,430,140.64 : x
  2. Step 2: Convert to fraction form
    86,588,189.75/119,487,456.23 = 47,430,140.64/x
  3. Step 3: Cross multiply
    86,588,189.75x = 119,487,456.23 × 47,430,140.64
  4. Step 4: Simplify right side
    86,588,189.75x = 5,667,306,853,467,593
  5. Step 5: Solve for x
    x = 5,667,306,853,467,593/86,588,189.75
  6. Step 6: Final answer
    x = 65,451,268.47

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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.