Home / 171,936,019.10-257,904,028.65-137,923,795.10

Finding the Fourth Proportional to 171,936,019.10, 257,904,028.65 and 137,923,795.10

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Solution

The fourth proportional to 171,936,019.10, 257,904,028.65 and 137,923,795.10 is: 206,885,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936,019.10 : 257,904,028.65 = 137,923,795.10 : x
  2. Step 2: Convert to fraction form
    171,936,019.10/257,904,028.65 = 137,923,795.10/x
  3. Step 3: Cross multiply
    171,936,019.10x = 257,904,028.65 × 137,923,795.10
  4. Step 4: Simplify right side
    171,936,019.10x = 35,571,102,402,987,128
  5. Step 5: Solve for x
    x = 35,571,102,402,987,128/171,936,019.10
  6. Step 6: Final answer
    x = 206,885,692.65

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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.