Home / 371,567,199.96-557,568,135.36-138,558,886.38

Finding the Fourth Proportional to 371,567,199.96, 557,568,135.36 and 138,558,886.38

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Solution

The fourth proportional to 371,567,199.96, 557,568,135.36 and 138,558,886.38 is: 207,919,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,567,199.96 : 557,568,135.36 = 138,558,886.38 : x
  2. Step 2: Convert to fraction form
    371,567,199.96/557,568,135.36 = 138,558,886.38/x
  3. Step 3: Cross multiply
    371,567,199.96x = 557,568,135.36 × 138,558,886.38
  4. Step 4: Simplify right side
    371,567,199.96x = 77,256,019,916,454,704
  5. Step 5: Solve for x
    x = 77,256,019,916,454,704/371,567,199.96
  6. Step 6: Final answer
    x = 207,919,374.81

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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.