Home / 68,493,880.97-102,729,884.83-19,960,382.25

Finding the Fourth Proportional to 68,493,880.97, 102,729,884.83 and 19,960,382.25

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Solution

The fourth proportional to 68,493,880.97, 102,729,884.83 and 19,960,382.25 is: 29,937,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,493,880.97 : 102,729,884.83 = 19,960,382.25 : x
  2. Step 2: Convert to fraction form
    68,493,880.97/102,729,884.83 = 19,960,382.25/x
  3. Step 3: Cross multiply
    68,493,880.97x = 102,729,884.83 × 19,960,382.25
  4. Step 4: Simplify right side
    68,493,880.97x = 2,050,527,769,835,045.50
  5. Step 5: Solve for x
    x = 2,050,527,769,835,045.50/68,493,880.97
  6. Step 6: Final answer
    x = 29,937,386.24

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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.