Home / 68,331,345.56-102,520,933.18-19,812,110.86

Finding the Fourth Proportional to 68,331,345.56, 102,520,933.18 and 19,812,110.86

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Solution

The fourth proportional to 68,331,345.56, 102,520,933.18 and 19,812,110.86 is: 29,725,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,331,345.56 : 102,520,933.18 = 19,812,110.86 : x
  2. Step 2: Convert to fraction form
    68,331,345.56/102,520,933.18 = 19,812,110.86/x
  3. Step 3: Cross multiply
    68,331,345.56x = 102,520,933.18 × 19,812,110.86
  4. Step 4: Simplify right side
    68,331,345.56x = 2,031,156,093,822,777
  5. Step 5: Solve for x
    x = 2,031,156,093,822,777/68,331,345.56
  6. Step 6: Final answer
    x = 29,725,100.20

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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.