Home / 221,238,004.80-331,857,007.20-152,363,251.20

Finding the Fourth Proportional to 221,238,004.80, 331,857,007.20 and 152,363,251.20

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Solution

The fourth proportional to 221,238,004.80, 331,857,007.20 and 152,363,251.20 is: 228,544,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,004.80 : 331,857,007.20 = 152,363,251.20 : x
  2. Step 2: Convert to fraction form
    221,238,004.80/331,857,007.20 = 152,363,251.20/x
  3. Step 3: Cross multiply
    221,238,004.80x = 331,857,007.20 × 152,363,251.20
  4. Step 4: Simplify right side
    221,238,004.80x = 50,562,812,550,493,800
  5. Step 5: Solve for x
    x = 50,562,812,550,493,800/221,238,004.80
  6. Step 6: Final answer
    x = 228,544,876.80

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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.