Home / 193,556,711.70-290,335,067.55-192,213,018.90

Finding the Fourth Proportional to 193,556,711.70, 290,335,067.55 and 192,213,018.90

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Solution

The fourth proportional to 193,556,711.70, 290,335,067.55 and 192,213,018.90 is: 288,319,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,556,711.70 : 290,335,067.55 = 192,213,018.90 : x
  2. Step 2: Convert to fraction form
    193,556,711.70/290,335,067.55 = 192,213,018.90/x
  3. Step 3: Cross multiply
    193,556,711.70x = 290,335,067.55 × 192,213,018.90
  4. Step 4: Simplify right side
    193,556,711.70x = 55,806,179,826,320,928
  5. Step 5: Solve for x
    x = 55,806,179,826,320,928/193,556,711.70
  6. Step 6: Final answer
    x = 288,319,528.35

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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.