Home / 199,597,958.40-299,396,937.60-130,723,204.80

Finding the Fourth Proportional to 199,597,958.40, 299,396,937.60 and 130,723,204.80

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Solution

The fourth proportional to 199,597,958.40, 299,396,937.60 and 130,723,204.80 is: 196,084,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,597,958.40 : 299,396,937.60 = 130,723,204.80 : x
  2. Step 2: Convert to fraction form
    199,597,958.40/299,396,937.60 = 130,723,204.80/x
  3. Step 3: Cross multiply
    199,597,958.40x = 299,396,937.60 × 130,723,204.80
  4. Step 4: Simplify right side
    199,597,958.40x = 39,138,127,190,377,624
  5. Step 5: Solve for x
    x = 39,138,127,190,377,624/199,597,958.40
  6. Step 6: Final answer
    x = 196,084,807.20

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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.