Home / 221,448,218.70-332,172,328.05-210,362,753.10

Finding the Fourth Proportional to 221,448,218.70, 332,172,328.05 and 210,362,753.10

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Solution

The fourth proportional to 221,448,218.70, 332,172,328.05 and 210,362,753.10 is: 315,544,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,448,218.70 : 332,172,328.05 = 210,362,753.10 : x
  2. Step 2: Convert to fraction form
    221,448,218.70/332,172,328.05 = 210,362,753.10/x
  3. Step 3: Cross multiply
    221,448,218.70x = 332,172,328.05 × 210,362,753.10
  4. Step 4: Simplify right side
    221,448,218.70x = 69,876,685,432,234,352
  5. Step 5: Solve for x
    x = 69,876,685,432,234,352/221,448,218.70
  6. Step 6: Final answer
    x = 315,544,129.65

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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.