Home / 76,950,121.25-106,190,685.36-41,667,180.20

Finding the Fourth Proportional to 76,950,121.25, 106,190,685.36 and 41,667,180.20

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Solution

The fourth proportional to 76,950,121.25, 106,190,685.36 and 41,667,180.20 is: 57,500,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950,121.25 : 106,190,685.36 = 41,667,180.20 : x
  2. Step 2: Convert to fraction form
    76,950,121.25/106,190,685.36 = 41,667,180.20/x
  3. Step 3: Cross multiply
    76,950,121.25x = 106,190,685.36 × 41,667,180.20
  4. Step 4: Simplify right side
    76,950,121.25x = 4,424,666,421,925,668.50
  5. Step 5: Solve for x
    x = 4,424,666,421,925,668.50/76,950,121.25
  6. Step 6: Final answer
    x = 57,500,447.70

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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.