Home / 197,087,998.40-295,296,074.40-168,198,603.20

Finding the Fourth Proportional to 197,087,998.40, 295,296,074.40 and 168,198,603.20

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Solution

The fourth proportional to 197,087,998.40, 295,296,074.40 and 168,198,603.20 is: 252,011,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,087,998.40 : 295,296,074.40 = 168,198,603.20 : x
  2. Step 2: Convert to fraction form
    197,087,998.40/295,296,074.40 = 168,198,603.20/x
  3. Step 3: Cross multiply
    197,087,998.40x = 295,296,074.40 × 168,198,603.20
  4. Step 4: Simplify right side
    197,087,998.40x = 49,668,387,244,523,272
  5. Step 5: Solve for x
    x = 49,668,387,244,523,272/197,087,998.40
  6. Step 6: Final answer
    x = 252,011,221.63

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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.