Home / 39,365,993.60-59,058,321.60-20,199,708.80

Finding the Fourth Proportional to 39,365,993.60, 59,058,321.60 and 20,199,708.80

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Solution

The fourth proportional to 39,365,993.60, 59,058,321.60 and 20,199,708.80 is: 30,304,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365,993.60 : 59,058,321.60 = 20,199,708.80 : x
  2. Step 2: Convert to fraction form
    39,365,993.60/59,058,321.60 = 20,199,708.80/x
  3. Step 3: Cross multiply
    39,365,993.60x = 59,058,321.60 × 20,199,708.80
  4. Step 4: Simplify right side
    39,365,993.60x = 1,192,960,898,536,750.25
  5. Step 5: Solve for x
    x = 1,192,960,898,536,750.25/39,365,993.60
  6. Step 6: Final answer
    x = 30,304,351.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.