Home / 170,928,017.30-256,385,805.15-68,664,286.10

Finding the Fourth Proportional to 170,928,017.30, 256,385,805.15 and 68,664,286.10

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Solution

The fourth proportional to 170,928,017.30, 256,385,805.15 and 68,664,286.10 is: 102,993,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,928,017.30 : 256,385,805.15 = 68,664,286.10 : x
  2. Step 2: Convert to fraction form
    170,928,017.30/256,385,805.15 = 68,664,286.10/x
  3. Step 3: Cross multiply
    170,928,017.30x = 256,385,805.15 × 68,664,286.10
  4. Step 4: Simplify right side
    170,928,017.30x = 17,604,548,276,798,452
  5. Step 5: Solve for x
    x = 17,604,548,276,798,452/170,928,017.30
  6. Step 6: Final answer
    x = 102,993,930.16

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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.