Home / 68,636,372.69-102,958,449.96-21,953,958.84

Finding the Fourth Proportional to 68,636,372.69, 102,958,449.96 and 21,953,958.84

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Solution

The fourth proportional to 68,636,372.69, 102,958,449.96 and 21,953,958.84 is: 32,932,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636,372.69 : 102,958,449.96 = 21,953,958.84 : x
  2. Step 2: Convert to fraction form
    68,636,372.69/102,958,449.96 = 21,953,958.84/x
  3. Step 3: Cross multiply
    68,636,372.69x = 102,958,449.96 × 21,953,958.84
  4. Step 4: Simplify right side
    68,636,372.69x = 2,260,345,572,652,039.50
  5. Step 5: Solve for x
    x = 2,260,345,572,652,039.50/68,636,372.69
  6. Step 6: Final answer
    x = 32,932,182.81

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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.