Home / 146,239,819.46-201,693,277.50-128,560,921.91

Finding the Fourth Proportional to 146,239,819.46, 201,693,277.50 and 128,560,921.91

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Solution

The fourth proportional to 146,239,819.46, 201,693,277.50 and 128,560,921.91 is: 177,310,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,239,819.46 : 201,693,277.50 = 128,560,921.91 : x
  2. Step 2: Convert to fraction form
    146,239,819.46/201,693,277.50 = 128,560,921.91/x
  3. Step 3: Cross multiply
    146,239,819.46x = 201,693,277.50 × 128,560,921.91
  4. Step 4: Simplify right side
    146,239,819.46x = 25,929,873,698,449,460
  5. Step 5: Solve for x
    x = 25,929,873,698,449,460/146,239,819.46
  6. Step 6: Final answer
    x = 177,310,624.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.