Home / 193,970,467.80-290,955,701.70-172,925,404.20

Finding the Fourth Proportional to 193,970,467.80, 290,955,701.70 and 172,925,404.20

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Solution

The fourth proportional to 193,970,467.80, 290,955,701.70 and 172,925,404.20 is: 259,388,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,970,467.80 : 290,955,701.70 = 172,925,404.20 : x
  2. Step 2: Convert to fraction form
    193,970,467.80/290,955,701.70 = 172,925,404.20/x
  3. Step 3: Cross multiply
    193,970,467.80x = 290,955,701.70 × 172,925,404.20
  4. Step 4: Simplify right side
    193,970,467.80x = 50,313,632,320,767,120
  5. Step 5: Solve for x
    x = 50,313,632,320,767,120/193,970,467.80
  6. Step 6: Final answer
    x = 259,388,106.30

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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.