Home / 258,732,997.74-387,480,791.05-149,226,174.45

Finding the Fourth Proportional to 258,732,997.74, 387,480,791.05 and 149,226,174.45

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Solution

The fourth proportional to 258,732,997.74, 387,480,791.05 and 149,226,174.45 is: 223,482,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,732,997.74 : 387,480,791.05 = 149,226,174.45 : x
  2. Step 2: Convert to fraction form
    258,732,997.74/387,480,791.05 = 149,226,174.45/x
  3. Step 3: Cross multiply
    258,732,997.74x = 387,480,791.05 × 149,226,174.45
  4. Step 4: Simplify right side
    258,732,997.74x = 57,822,276,118,567,760
  5. Step 5: Solve for x
    x = 57,822,276,118,567,760/258,732,997.74
  6. Step 6: Final answer
    x = 223,482,418.65

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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.