Home / 68,149,939.84-102,165,190.08-25,629,527.68

Finding the Fourth Proportional to 68,149,939.84, 102,165,190.08 and 25,629,527.68

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Solution

The fourth proportional to 68,149,939.84, 102,165,190.08 and 25,629,527.68 is: 38,421,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,149,939.84 : 102,165,190.08 = 25,629,527.68 : x
  2. Step 2: Convert to fraction form
    68,149,939.84/102,165,190.08 = 25,629,527.68/x
  3. Step 3: Cross multiply
    68,149,939.84x = 102,165,190.08 × 25,629,527.68
  4. Step 4: Simplify right side
    68,149,939.84x = 2,618,445,567,087,821.50
  5. Step 5: Solve for x
    x = 2,618,445,567,087,821.50/68,149,939.84
  6. Step 6: Final answer
    x = 38,421,832.41

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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.