Home / 39,365,371.60-59,057,388.60-20,199,086.80

Finding the Fourth Proportional to 39,365,371.60, 59,057,388.60 and 20,199,086.80

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Solution

The fourth proportional to 39,365,371.60, 59,057,388.60 and 20,199,086.80 is: 30,303,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365,371.60 : 59,057,388.60 = 20,199,086.80 : x
  2. Step 2: Convert to fraction form
    39,365,371.60/59,057,388.60 = 20,199,086.80/x
  3. Step 3: Cross multiply
    39,365,371.60x = 59,057,388.60 × 20,199,086.80
  4. Step 4: Simplify right side
    39,365,371.60x = 1,192,905,318,512,730.50
  5. Step 5: Solve for x
    x = 1,192,905,318,512,730.50/39,365,371.60
  6. Step 6: Final answer
    x = 30,303,418.21

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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.