Home / 72,399,696.15-108,505,065.83-29,233,564.95

Finding the Fourth Proportional to 72,399,696.15, 108,505,065.83 and 29,233,564.95

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Solution

The fourth proportional to 72,399,696.15, 108,505,065.83 and 29,233,564.95 is: 43,812,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,399,696.15 : 108,505,065.83 = 29,233,564.95 : x
  2. Step 2: Convert to fraction form
    72,399,696.15/108,505,065.83 = 29,233,564.95/x
  3. Step 3: Cross multiply
    72,399,696.15x = 108,505,065.83 × 29,233,564.95
  4. Step 4: Simplify right side
    72,399,696.15x = 3,171,989,889,199,163
  5. Step 5: Solve for x
    x = 3,171,989,889,199,163/72,399,696.15
  6. Step 6: Final answer
    x = 43,812,198.92

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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.