Home / 209,952,249.15-314,928,373.73-201,449,193.15

Finding the Fourth Proportional to 209,952,249.15, 314,928,373.73 and 201,449,193.15

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Solution

The fourth proportional to 209,952,249.15, 314,928,373.73 and 201,449,193.15 is: 302,173,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,249.15 : 314,928,373.73 = 201,449,193.15 : x
  2. Step 2: Convert to fraction form
    209,952,249.15/314,928,373.73 = 201,449,193.15/x
  3. Step 3: Cross multiply
    209,952,249.15x = 314,928,373.73 × 201,449,193.15
  4. Step 4: Simplify right side
    209,952,249.15x = 63,442,066,786,942,920
  5. Step 5: Solve for x
    x = 63,442,066,786,942,920/209,952,249.15
  6. Step 6: Final answer
    x = 302,173,789.73

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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.