Home / 221,434,206.80-332,151,310.20-65,987,714.30

Finding the Fourth Proportional to 221,434,206.80, 332,151,310.20 and 65,987,714.30

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Solution

The fourth proportional to 221,434,206.80, 332,151,310.20 and 65,987,714.30 is: 98,981,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,206.80 : 332,151,310.20 = 65,987,714.30 : x
  2. Step 2: Convert to fraction form
    221,434,206.80/332,151,310.20 = 65,987,714.30/x
  3. Step 3: Cross multiply
    221,434,206.80x = 332,151,310.20 × 65,987,714.30
  4. Step 4: Simplify right side
    221,434,206.80x = 21,917,905,761,848,276
  5. Step 5: Solve for x
    x = 21,917,905,761,848,276/221,434,206.80
  6. Step 6: Final answer
    x = 98,981,571.45

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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.