Home / 193,968,138.80-290,952,208.20-172,923,075.20

Finding the Fourth Proportional to 193,968,138.80, 290,952,208.20 and 172,923,075.20

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Solution

The fourth proportional to 193,968,138.80, 290,952,208.20 and 172,923,075.20 is: 259,384,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,968,138.80 : 290,952,208.20 = 172,923,075.20 : x
  2. Step 2: Convert to fraction form
    193,968,138.80/290,952,208.20 = 172,923,075.20/x
  3. Step 3: Cross multiply
    193,968,138.80x = 290,952,208.20 × 172,923,075.20
  4. Step 4: Simplify right side
    193,968,138.80x = 50,312,350,578,174,648
  5. Step 5: Solve for x
    x = 50,312,350,578,174,648/193,968,138.80
  6. Step 6: Final answer
    x = 259,384,612.80

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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.