Home / 410,557,605.84-615,928,321.20-137,920,937.04

Finding the Fourth Proportional to 410,557,605.84, 615,928,321.20 and 137,920,937.04

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Solution

The fourth proportional to 410,557,605.84, 615,928,321.20 and 137,920,937.04 is: 206,912,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,557,605.84 : 615,928,321.20 = 137,920,937.04 : x
  2. Step 2: Convert to fraction form
    410,557,605.84/615,928,321.20 = 137,920,937.04/x
  3. Step 3: Cross multiply
    410,557,605.84x = 615,928,321.20 × 137,920,937.04
  4. Step 4: Simplify right side
    410,557,605.84x = 84,949,411,209,378,096
  5. Step 5: Solve for x
    x = 84,949,411,209,378,096/410,557,605.84
  6. Step 6: Final answer
    x = 206,912,282.23

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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.