Home / 76,695,910.76-105,840,189.06-41,888,604.20

Finding the Fourth Proportional to 76,695,910.76, 105,840,189.06 and 41,888,604.20

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Solution

The fourth proportional to 76,695,910.76, 105,840,189.06 and 41,888,604.20 is: 57,806,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,695,910.76 : 105,840,189.06 = 41,888,604.20 : x
  2. Step 2: Convert to fraction form
    76,695,910.76/105,840,189.06 = 41,888,604.20/x
  3. Step 3: Cross multiply
    76,695,910.76x = 105,840,189.06 × 41,888,604.20
  4. Step 4: Simplify right side
    76,695,910.76x = 4,433,497,787,987,510.50
  5. Step 5: Solve for x
    x = 4,433,497,787,987,510.50/76,695,910.76
  6. Step 6: Final answer
    x = 57,806,182.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.