Home / 204,787,903.89-307,187,579.22-66,613,511.45

Finding the Fourth Proportional to 204,787,903.89, 307,187,579.22 and 66,613,511.45

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Solution

The fourth proportional to 204,787,903.89, 307,187,579.22 and 66,613,511.45 is: 99,922,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,787,903.89 : 307,187,579.22 = 66,613,511.45 : x
  2. Step 2: Convert to fraction form
    204,787,903.89/307,187,579.22 = 66,613,511.45/x
  3. Step 3: Cross multiply
    204,787,903.89x = 307,187,579.22 × 66,613,511.45
  4. Step 4: Simplify right side
    204,787,903.89x = 20,462,843,325,336,184
  5. Step 5: Solve for x
    x = 20,462,843,325,336,184/204,787,903.89
  6. Step 6: Final answer
    x = 99,922,128.88

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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.