Home / 86,213,371.20-129,338,719.20-25,635,220.80

Finding the Fourth Proportional to 86,213,371.20, 129,338,719.20 and 25,635,220.80

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Solution

The fourth proportional to 86,213,371.20, 129,338,719.20 and 25,635,220.80 is: 38,458,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213,371.20 : 129,338,719.20 = 25,635,220.80 : x
  2. Step 2: Convert to fraction form
    86,213,371.20/129,338,719.20 = 25,635,220.80/x
  3. Step 3: Cross multiply
    86,213,371.20x = 129,338,719.20 × 25,635,220.80
  4. Step 4: Simplify right side
    86,213,371.20x = 3,315,626,624,681,199.50
  5. Step 5: Solve for x
    x = 3,315,626,624,681,199.50/86,213,371.20
  6. Step 6: Final answer
    x = 38,458,380.39

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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.