Home / 221,308,604.58-331,964,170.92-91,916,214.78

Finding the Fourth Proportional to 221,308,604.58, 331,964,170.92 and 91,916,214.78

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Solution

The fourth proportional to 221,308,604.58, 331,964,170.92 and 91,916,214.78 is: 137,874,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,308,604.58 : 331,964,170.92 = 91,916,214.78 : x
  2. Step 2: Convert to fraction form
    221,308,604.58/331,964,170.92 = 91,916,214.78/x
  3. Step 3: Cross multiply
    221,308,604.58x = 331,964,170.92 × 91,916,214.78
  4. Step 4: Simplify right side
    221,308,604.58x = 30,512,890,033,547,352
  5. Step 5: Solve for x
    x = 30,512,890,033,547,352/221,308,604.58
  6. Step 6: Final answer
    x = 137,874,847.17

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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.