Home / 105,644,412.72-158,330,229.66-47,309,379.66

Finding the Fourth Proportional to 105,644,412.72, 158,330,229.66 and 47,309,379.66

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Solution

The fourth proportional to 105,644,412.72, 158,330,229.66 and 47,309,379.66 is: 70,902,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,644,412.72 : 158,330,229.66 = 47,309,379.66 : x
  2. Step 2: Convert to fraction form
    105,644,412.72/158,330,229.66 = 47,309,379.66/x
  3. Step 3: Cross multiply
    105,644,412.72x = 158,330,229.66 × 47,309,379.66
  4. Step 4: Simplify right side
    105,644,412.72x = 7,490,504,946,639,932
  5. Step 5: Solve for x
    x = 7,490,504,946,639,932/105,644,412.72
  6. Step 6: Final answer
    x = 70,902,991.97

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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.