Home / 78,599,399.07-117,747,992.55-43,950,711.95

Finding the Fourth Proportional to 78,599,399.07, 117,747,992.55 and 43,950,711.95

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Solution

The fourth proportional to 78,599,399.07, 117,747,992.55 and 43,950,711.95 is: 65,841,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,599,399.07 : 117,747,992.55 = 43,950,711.95 : x
  2. Step 2: Convert to fraction form
    78,599,399.07/117,747,992.55 = 43,950,711.95/x
  3. Step 3: Cross multiply
    78,599,399.07x = 117,747,992.55 × 43,950,711.95
  4. Step 4: Simplify right side
    78,599,399.07x = 5,175,108,102,667,056
  5. Step 5: Solve for x
    x = 5,175,108,102,667,056/78,599,399.07
  6. Step 6: Final answer
    x = 65,841,573.39

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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.