Home / 86,396,515.90-119,227,203.21-47,238,319.78

Finding the Fourth Proportional to 86,396,515.90, 119,227,203.21 and 47,238,319.78

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Solution

The fourth proportional to 86,396,515.90, 119,227,203.21 and 47,238,319.78 is: 65,188,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396,515.90 : 119,227,203.21 = 47,238,319.78 : x
  2. Step 2: Convert to fraction form
    86,396,515.90/119,227,203.21 = 47,238,319.78/x
  3. Step 3: Cross multiply
    86,396,515.90x = 119,227,203.21 × 47,238,319.78
  4. Step 4: Simplify right side
    86,396,515.90x = 5,632,092,751,588,099
  5. Step 5: Solve for x
    x = 5,632,092,751,588,099/86,396,515.90
  6. Step 6: Final answer
    x = 65,188,887.46

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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.