Home / 199,948,249.89-299,814,530.85-90,713,819.07

Finding the Fourth Proportional to 199,948,249.89, 299,814,530.85 and 90,713,819.07

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Solution

The fourth proportional to 199,948,249.89, 299,814,530.85 and 90,713,819.07 is: 136,021,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,948,249.89 : 299,814,530.85 = 90,713,819.07 : x
  2. Step 2: Convert to fraction form
    199,948,249.89/299,814,530.85 = 90,713,819.07/x
  3. Step 3: Cross multiply
    199,948,249.89x = 299,814,530.85 × 90,713,819.07
  4. Step 4: Simplify right side
    199,948,249.89x = 27,197,321,106,083,832
  5. Step 5: Solve for x
    x = 27,197,321,106,083,832/199,948,249.89
  6. Step 6: Final answer
    x = 136,021,801.25

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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.