Home / 68,493,882.22-102,729,886.71-19,960,383.50

Finding the Fourth Proportional to 68,493,882.22, 102,729,886.71 and 19,960,383.50

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Solution

The fourth proportional to 68,493,882.22, 102,729,886.71 and 19,960,383.50 is: 29,937,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,493,882.22 : 102,729,886.71 = 19,960,383.50 : x
  2. Step 2: Convert to fraction form
    68,493,882.22/102,729,886.71 = 19,960,383.50/x
  3. Step 3: Cross multiply
    68,493,882.22x = 102,729,886.71 × 19,960,383.50
  4. Step 4: Simplify right side
    68,493,882.22x = 2,050,527,935,643,153.25
  5. Step 5: Solve for x
    x = 2,050,527,935,643,153.25/68,493,882.22
  6. Step 6: Final answer
    x = 29,937,388.12

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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.