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Finding the Fourth Proportional to 217,917,234.40, 326,726,552.40 and 102,956,850.40

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Solution

The fourth proportional to 217,917,234.40, 326,726,552.40 and 102,956,850.40 is: 154,364,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,917,234.40 : 326,726,552.40 = 102,956,850.40 : x
  2. Step 2: Convert to fraction form
    217,917,234.40/326,726,552.40 = 102,956,850.40/x
  3. Step 3: Cross multiply
    217,917,234.40x = 326,726,552.40 × 102,956,850.40
  4. Step 4: Simplify right side
    217,917,234.40x = 33,638,736,777,154,560
  5. Step 5: Solve for x
    x = 33,638,736,777,154,560/217,917,234.40
  6. Step 6: Final answer
    x = 154,364,737.92

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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.