Home / 68,633,487.80-102,950,144.75-17,515,507.76

Finding the Fourth Proportional to 68,633,487.80, 102,950,144.75 and 17,515,507.76

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Solution

The fourth proportional to 68,633,487.80, 102,950,144.75 and 17,515,507.76 is: 26,273,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,633,487.80 : 102,950,144.75 = 17,515,507.76 : x
  2. Step 2: Convert to fraction form
    68,633,487.80/102,950,144.75 = 17,515,507.76/x
  3. Step 3: Cross multiply
    68,633,487.80x = 102,950,144.75 × 17,515,507.76
  4. Step 4: Simplify right side
    68,633,487.80x = 1,803,224,059,261,748.50
  5. Step 5: Solve for x
    x = 1,803,224,059,261,748.50/68,633,487.80
  6. Step 6: Final answer
    x = 26,273,239.45

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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.