Home / 209,597,003.19-313,992,556.83-117,200,502.81

Finding the Fourth Proportional to 209,597,003.19, 313,992,556.83 and 117,200,502.81

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Solution

The fourth proportional to 209,597,003.19, 313,992,556.83 and 117,200,502.81 is: 175,575,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,597,003.19 : 313,992,556.83 = 117,200,502.81 : x
  2. Step 2: Convert to fraction form
    209,597,003.19/313,992,556.83 = 117,200,502.81/x
  3. Step 3: Cross multiply
    209,597,003.19x = 313,992,556.83 × 117,200,502.81
  4. Step 4: Simplify right side
    209,597,003.19x = 36,800,085,539,073,496
  5. Step 5: Solve for x
    x = 36,800,085,539,073,496/209,597,003.19
  6. Step 6: Final answer
    x = 175,575,437.53

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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.