Home / 200,126,851.20-300,048,559.20-91,004,299.20

Finding the Fourth Proportional to 200,126,851.20, 300,048,559.20 and 91,004,299.20

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Solution

The fourth proportional to 200,126,851.20, 300,048,559.20 and 91,004,299.20 is: 136,442,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,126,851.20 : 300,048,559.20 = 91,004,299.20 : x
  2. Step 2: Convert to fraction form
    200,126,851.20/300,048,559.20 = 91,004,299.20/x
  3. Step 3: Cross multiply
    200,126,851.20x = 300,048,559.20 × 91,004,299.20
  4. Step 4: Simplify right side
    200,126,851.20x = 27,305,708,855,965,712
  5. Step 5: Solve for x
    x = 27,305,708,855,965,712/200,126,851.20
  6. Step 6: Final answer
    x = 136,442,005.12

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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.