Home / 86,207,957.20-129,330,598.20-25,629,806.80

Finding the Fourth Proportional to 86,207,957.20, 129,330,598.20 and 25,629,806.80

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Solution

The fourth proportional to 86,207,957.20, 129,330,598.20 and 25,629,806.80 is: 38,450,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207,957.20 : 129,330,598.20 = 25,629,806.80 : x
  2. Step 2: Convert to fraction form
    86,207,957.20/129,330,598.20 = 25,629,806.80/x
  3. Step 3: Cross multiply
    86,207,957.20x = 129,330,598.20 × 25,629,806.80
  4. Step 4: Simplify right side
    86,207,957.20x = 3,314,718,245,194,428
  5. Step 5: Solve for x
    x = 3,314,718,245,194,428/86,207,957.20
  6. Step 6: Final answer
    x = 38,450,258.57

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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.