Home / 193,968,051.30-290,952,076.95-172,922,987.70

Finding the Fourth Proportional to 193,968,051.30, 290,952,076.95 and 172,922,987.70

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Solution

The fourth proportional to 193,968,051.30, 290,952,076.95 and 172,922,987.70 is: 259,384,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,968,051.30 : 290,952,076.95 = 172,922,987.70 : x
  2. Step 2: Convert to fraction form
    193,968,051.30/290,952,076.95 = 172,922,987.70/x
  3. Step 3: Cross multiply
    193,968,051.30x = 290,952,076.95 × 172,922,987.70
  4. Step 4: Simplify right side
    193,968,051.30x = 50,312,302,423,714,296
  5. Step 5: Solve for x
    x = 50,312,302,423,714,296/193,968,051.30
  6. Step 6: Final answer
    x = 259,384,481.55

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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.