Home / 219,282,906.59-328,921,260.31-53,287,631.62

Finding the Fourth Proportional to 219,282,906.59, 328,921,260.31 and 53,287,631.62

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Solution

The fourth proportional to 219,282,906.59, 328,921,260.31 and 53,287,631.62 is: 79,930,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,282,906.59 : 328,921,260.31 = 53,287,631.62 : x
  2. Step 2: Convert to fraction form
    219,282,906.59/328,921,260.31 = 53,287,631.62/x
  3. Step 3: Cross multiply
    219,282,906.59x = 328,921,260.31 × 53,287,631.62
  4. Step 4: Simplify right side
    219,282,906.59x = 17,527,434,951,385,406
  5. Step 5: Solve for x
    x = 17,527,434,951,385,406/219,282,906.59
  6. Step 6: Final answer
    x = 79,930,694.21

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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.