Home / 242,135,057.04-333,997,243.72-172,542,923.60

Finding the Fourth Proportional to 242,135,057.04, 333,997,243.72 and 172,542,923.60

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Solution

The fourth proportional to 242,135,057.04, 333,997,243.72 and 172,542,923.60 is: 238,002,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,135,057.04 : 333,997,243.72 = 172,542,923.60 : x
  2. Step 2: Convert to fraction form
    242,135,057.04/333,997,243.72 = 172,542,923.60/x
  3. Step 3: Cross multiply
    242,135,057.04x = 333,997,243.72 × 172,542,923.60
  4. Step 4: Simplify right side
    242,135,057.04x = 57,628,860,905,790,544
  5. Step 5: Solve for x
    x = 57,628,860,905,790,544/242,135,057.04
  6. Step 6: Final answer
    x = 238,002,962.52

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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.