Home / 149,288,249.32-205,921,610.74-99,051,380.60

Finding the Fourth Proportional to 149,288,249.32, 205,921,610.74 and 99,051,380.60

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Solution

The fourth proportional to 149,288,249.32, 205,921,610.74 and 99,051,380.60 is: 136,627,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288,249.32 : 205,921,610.74 = 99,051,380.60 : x
  2. Step 2: Convert to fraction form
    149,288,249.32/205,921,610.74 = 99,051,380.60/x
  3. Step 3: Cross multiply
    149,288,249.32x = 205,921,610.74 × 99,051,380.60
  4. Step 4: Simplify right side
    149,288,249.32x = 20,396,819,839,172,788
  5. Step 5: Solve for x
    x = 20,396,819,839,172,788/149,288,249.32
  6. Step 6: Final answer
    x = 136,627,095.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.