Home / 128,304,000.20-192,456,000.30-46,422,720.20

Finding the Fourth Proportional to 128,304,000.20, 192,456,000.30 and 46,422,720.20

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Solution

The fourth proportional to 128,304,000.20, 192,456,000.30 and 46,422,720.20 is: 69,634,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,000.20 : 192,456,000.30 = 46,422,720.20 : x
  2. Step 2: Convert to fraction form
    128,304,000.20/192,456,000.30 = 46,422,720.20/x
  3. Step 3: Cross multiply
    128,304,000.20x = 192,456,000.30 × 46,422,720.20
  4. Step 4: Simplify right side
    128,304,000.20x = 8,934,331,052,738,017
  5. Step 5: Solve for x
    x = 8,934,331,052,738,017/128,304,000.20
  6. Step 6: Final answer
    x = 69,634,080.30

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Similar ratio
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1.5x scale

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.