Home / 170,928,040.55-256,385,840.03-68,664,309.35

Finding the Fourth Proportional to 170,928,040.55, 256,385,840.03 and 68,664,309.35

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Solution

The fourth proportional to 170,928,040.55, 256,385,840.03 and 68,664,309.35 is: 102,993,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,928,040.55 : 256,385,840.03 = 68,664,309.35 : x
  2. Step 2: Convert to fraction form
    170,928,040.55/256,385,840.03 = 68,664,309.35/x
  3. Step 3: Cross multiply
    170,928,040.55x = 256,385,840.03 × 68,664,309.35
  4. Step 4: Simplify right side
    170,928,040.55x = 17,604,556,632,436,210
  5. Step 5: Solve for x
    x = 17,604,556,632,436,210/170,928,040.55
  6. Step 6: Final answer
    x = 102,993,965.04

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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.