Home / 172,963,906.47-238,399,291.53-131,134,119.75

Finding the Fourth Proportional to 172,963,906.47, 238,399,291.53 and 131,134,119.75

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Solution

The fourth proportional to 172,963,906.47, 238,399,291.53 and 131,134,119.75 is: 180,744,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,963,906.47 : 238,399,291.53 = 131,134,119.75 : x
  2. Step 2: Convert to fraction form
    172,963,906.47/238,399,291.53 = 131,134,119.75/x
  3. Step 3: Cross multiply
    172,963,906.47x = 238,399,291.53 × 131,134,119.75
  4. Step 4: Simplify right side
    172,963,906.47x = 31,262,281,243,810,180
  5. Step 5: Solve for x
    x = 31,262,281,243,810,180/172,963,906.47
  6. Step 6: Final answer
    x = 180,744,537.30

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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.