Home / 192,606,278.70-288,739,355.16-147,370,020.78

Finding the Fourth Proportional to 192,606,278.70, 288,739,355.16 and 147,370,020.78

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Solution

The fourth proportional to 192,606,278.70, 288,739,355.16 and 147,370,020.78 is: 220,924,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,606,278.70 : 288,739,355.16 = 147,370,020.78 : x
  2. Step 2: Convert to fraction form
    192,606,278.70/288,739,355.16 = 147,370,020.78/x
  3. Step 3: Cross multiply
    192,606,278.70x = 288,739,355.16 × 147,370,020.78
  4. Step 4: Simplify right side
    192,606,278.70x = 42,551,524,769,933,008
  5. Step 5: Solve for x
    x = 42,551,524,769,933,008/192,606,278.70
  6. Step 6: Final answer
    x = 220,924,909.91

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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.