Home / 68,633,487.22-102,950,143.89-17,515,507.18

Finding the Fourth Proportional to 68,633,487.22, 102,950,143.89 and 17,515,507.18

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Solution

The fourth proportional to 68,633,487.22, 102,950,143.89 and 17,515,507.18 is: 26,273,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,633,487.22 : 102,950,143.89 = 17,515,507.18 : x
  2. Step 2: Convert to fraction form
    68,633,487.22/102,950,143.89 = 17,515,507.18/x
  3. Step 3: Cross multiply
    68,633,487.22x = 102,950,143.89 × 17,515,507.18
  4. Step 4: Simplify right side
    68,633,487.22x = 1,803,223,984,164,269.50
  5. Step 5: Solve for x
    x = 1,803,223,984,164,269.50/68,633,487.22
  6. Step 6: Final answer
    x = 26,273,238.58

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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.