Home / 324,119,042.11-486,255,908.11-105,769,790.43

Finding the Fourth Proportional to 324,119,042.11, 486,255,908.11 and 105,769,790.43

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Solution

The fourth proportional to 324,119,042.11, 486,255,908.11 and 105,769,790.43 is: 158,679,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,119,042.11 : 486,255,908.11 = 105,769,790.43 : x
  2. Step 2: Convert to fraction form
    324,119,042.11/486,255,908.11 = 105,769,790.43/x
  3. Step 3: Cross multiply
    324,119,042.11x = 486,255,908.11 × 105,769,790.43
  4. Step 4: Simplify right side
    324,119,042.11x = 51,431,185,496,992,624
  5. Step 5: Solve for x
    x = 51,431,185,496,992,624/324,119,042.11
  6. Step 6: Final answer
    x = 158,679,925.63

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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.