Home / 68,158,317.92-102,161,748.36-51,930,770.60

Finding the Fourth Proportional to 68,158,317.92, 102,161,748.36 and 51,930,770.60

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Solution

The fourth proportional to 68,158,317.92, 102,161,748.36 and 51,930,770.60 is: 77,838,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,158,317.92 : 102,161,748.36 = 51,930,770.60 : x
  2. Step 2: Convert to fraction form
    68,158,317.92/102,161,748.36 = 51,930,770.60/x
  3. Step 3: Cross multiply
    68,158,317.92x = 102,161,748.36 × 51,930,770.60
  4. Step 4: Simplify right side
    68,158,317.92x = 5,305,338,318,178,086
  5. Step 5: Solve for x
    x = 5,305,338,318,178,086/68,158,317.92
  6. Step 6: Final answer
    x = 77,838,457.29

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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.