Home / 221,448,625.70-332,172,938.55-210,363,160.10

Finding the Fourth Proportional to 221,448,625.70, 332,172,938.55 and 210,363,160.10

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Solution

The fourth proportional to 221,448,625.70, 332,172,938.55 and 210,363,160.10 is: 315,544,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,448,625.70 : 332,172,938.55 = 210,363,160.10 : x
  2. Step 2: Convert to fraction form
    221,448,625.70/332,172,938.55 = 210,363,160.10/x
  3. Step 3: Cross multiply
    221,448,625.70x = 332,172,938.55 × 210,363,160.10
  4. Step 4: Simplify right side
    221,448,625.70x = 69,876,949,053,081,112
  5. Step 5: Solve for x
    x = 69,876,949,053,081,112/221,448,625.70
  6. Step 6: Final answer
    x = 315,544,740.15

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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.