Home / 192,606,279.70-288,739,356.66-147,370,021.78

Finding the Fourth Proportional to 192,606,279.70, 288,739,356.66 and 147,370,021.78

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Solution

The fourth proportional to 192,606,279.70, 288,739,356.66 and 147,370,021.78 is: 220,924,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,606,279.70 : 288,739,356.66 = 147,370,021.78 : x
  2. Step 2: Convert to fraction form
    192,606,279.70/288,739,356.66 = 147,370,021.78/x
  3. Step 3: Cross multiply
    192,606,279.70x = 288,739,356.66 × 147,370,021.78
  4. Step 4: Simplify right side
    192,606,279.70x = 42,551,525,279,727,392
  5. Step 5: Solve for x
    x = 42,551,525,279,727,392/192,606,279.70
  6. Step 6: Final answer
    x = 220,924,911.41

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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.