Home / 231,180,637.92-319,075,627.77-137,146,979.58

Finding the Fourth Proportional to 231,180,637.92, 319,075,627.77 and 137,146,979.58

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Solution

The fourth proportional to 231,180,637.92, 319,075,627.77 and 137,146,979.58 is: 189,290,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,180,637.92 : 319,075,627.77 = 137,146,979.58 : x
  2. Step 2: Convert to fraction form
    231,180,637.92/319,075,627.77 = 137,146,979.58/x
  3. Step 3: Cross multiply
    231,180,637.92x = 319,075,627.77 × 137,146,979.58
  4. Step 4: Simplify right side
    231,180,637.92x = 43,760,258,606,247,872
  5. Step 5: Solve for x
    x = 43,760,258,606,247,872/231,180,637.92
  6. Step 6: Final answer
    x = 189,290,327.25

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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.