Home / 193,987,297.78-291,109,463.34-106,609,835.26

Finding the Fourth Proportional to 193,987,297.78, 291,109,463.34 and 106,609,835.26

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Solution

The fourth proportional to 193,987,297.78, 291,109,463.34 and 106,609,835.26 is: 159,985,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,987,297.78 : 291,109,463.34 = 106,609,835.26 : x
  2. Step 2: Convert to fraction form
    193,987,297.78/291,109,463.34 = 106,609,835.26/x
  3. Step 3: Cross multiply
    193,987,297.78x = 291,109,463.34 × 106,609,835.26
  4. Step 4: Simplify right side
    193,987,297.78x = 31,035,131,929,304,408
  5. Step 5: Solve for x
    x = 31,035,131,929,304,408/193,987,297.78
  6. Step 6: Final answer
    x = 159,985,381.95

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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.