Home / 199,597,956.90-299,396,935.35-130,723,203.30

Finding the Fourth Proportional to 199,597,956.90, 299,396,935.35 and 130,723,203.30

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Solution

The fourth proportional to 199,597,956.90, 299,396,935.35 and 130,723,203.30 is: 196,084,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,597,956.90 : 299,396,935.35 = 130,723,203.30 : x
  2. Step 2: Convert to fraction form
    199,597,956.90/299,396,935.35 = 130,723,203.30/x
  3. Step 3: Cross multiply
    199,597,956.90x = 299,396,935.35 × 130,723,203.30
  4. Step 4: Simplify right side
    199,597,956.90x = 39,138,126,447,155,008
  5. Step 5: Solve for x
    x = 39,138,126,447,155,008/199,597,956.90
  6. Step 6: Final answer
    x = 196,084,804.95

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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.