Home / 112,345,517.25-155,041,601.85-62,785,889.49

Finding the Fourth Proportional to 112,345,517.25, 155,041,601.85 and 62,785,889.49

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Solution

The fourth proportional to 112,345,517.25, 155,041,601.85 and 62,785,889.49 is: 86,647,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,345,517.25 : 155,041,601.85 = 62,785,889.49 : x
  2. Step 2: Convert to fraction form
    112,345,517.25/155,041,601.85 = 62,785,889.49/x
  3. Step 3: Cross multiply
    112,345,517.25x = 155,041,601.85 × 62,785,889.49
  4. Step 4: Simplify right side
    112,345,517.25x = 9,734,424,880,106,680
  5. Step 5: Solve for x
    x = 9,734,424,880,106,680/112,345,517.25
  6. Step 6: Final answer
    x = 86,647,203.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.