Home / 378,293,133.38-567,419,521.85-101,939,910.65

Finding the Fourth Proportional to 378,293,133.38, 567,419,521.85 and 101,939,910.65

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Solution

The fourth proportional to 378,293,133.38, 567,419,521.85 and 101,939,910.65 is: 152,904,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,293,133.38 : 567,419,521.85 = 101,939,910.65 : x
  2. Step 2: Convert to fraction form
    378,293,133.38/567,419,521.85 = 101,939,910.65/x
  3. Step 3: Cross multiply
    378,293,133.38x = 567,419,521.85 × 101,939,910.65
  4. Step 4: Simplify right side
    378,293,133.38x = 57,842,695,355,872,472
  5. Step 5: Solve for x
    x = 57,842,695,355,872,472/378,293,133.38
  6. Step 6: Final answer
    x = 152,904,428.48

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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.