Home / 259,880,604.25-389,821,570.91-65,792,040.18

Finding the Fourth Proportional to 259,880,604.25, 389,821,570.91 and 65,792,040.18

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Solution

The fourth proportional to 259,880,604.25, 389,821,570.91 and 65,792,040.18 is: 98,688,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,880,604.25 : 389,821,570.91 = 65,792,040.18 : x
  2. Step 2: Convert to fraction form
    259,880,604.25/389,821,570.91 = 65,792,040.18/x
  3. Step 3: Cross multiply
    259,880,604.25x = 389,821,570.91 × 65,792,040.18
  4. Step 4: Simplify right side
    259,880,604.25x = 25,647,156,458,273,656
  5. Step 5: Solve for x
    x = 25,647,156,458,273,656/259,880,604.25
  6. Step 6: Final answer
    x = 98,688,228.51

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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.