Home / 56,515,251.69-84,719,068.79-18,149,861.61

Finding the Fourth Proportional to 56,515,251.69, 84,719,068.79 and 18,149,861.61

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Solution

The fourth proportional to 56,515,251.69, 84,719,068.79 and 18,149,861.61 is: 27,207,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,515,251.69 : 84,719,068.79 = 18,149,861.61 : x
  2. Step 2: Convert to fraction form
    56,515,251.69/84,719,068.79 = 18,149,861.61/x
  3. Step 3: Cross multiply
    56,515,251.69x = 84,719,068.79 × 18,149,861.61
  4. Step 4: Simplify right side
    56,515,251.69x = 1,537,639,374,175,820.75
  5. Step 5: Solve for x
    x = 1,537,639,374,175,820.75/56,515,251.69
  6. Step 6: Final answer
    x = 27,207,511.75

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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.