Home / 131,056,000.20-196,584,000.30-90,241,331.40

Finding the Fourth Proportional to 131,056,000.20, 196,584,000.30 and 90,241,331.40

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Solution

The fourth proportional to 131,056,000.20, 196,584,000.30 and 90,241,331.40 is: 135,361,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,056,000.20 : 196,584,000.30 = 90,241,331.40 : x
  2. Step 2: Convert to fraction form
    131,056,000.20/196,584,000.30 = 90,241,331.40/x
  3. Step 3: Cross multiply
    131,056,000.20x = 196,584,000.30 × 90,241,331.40
  4. Step 4: Simplify right side
    131,056,000.20x = 17,740,001,919,010,002
  5. Step 5: Solve for x
    x = 17,740,001,919,010,002/131,056,000.20
  6. Step 6: Final answer
    x = 135,361,997.10

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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.