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Finding the Fourth Proportional to 68,633,486.92, 102,950,143.44 and 17,515,506.88

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Solution

The fourth proportional to 68,633,486.92, 102,950,143.44 and 17,515,506.88 is: 26,273,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,633,486.92 : 102,950,143.44 = 17,515,506.88 : x
  2. Step 2: Convert to fraction form
    68,633,486.92/102,950,143.44 = 17,515,506.88/x
  3. Step 3: Cross multiply
    68,633,486.92x = 102,950,143.44 × 17,515,506.88
  4. Step 4: Simplify right side
    68,633,486.92x = 1,803,223,945,870,889
  5. Step 5: Solve for x
    x = 1,803,223,945,870,889/68,633,486.92
  6. Step 6: Final answer
    x = 26,273,238.13

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1.5x scale

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.