Home / 201,048,540.45-301,293,804.11-91,606,249.05

Finding the Fourth Proportional to 201,048,540.45, 301,293,804.11 and 91,606,249.05

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Solution

The fourth proportional to 201,048,540.45, 301,293,804.11 and 91,606,249.05 is: 137,282,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,048,540.45 : 301,293,804.11 = 91,606,249.05 : x
  2. Step 2: Convert to fraction form
    201,048,540.45/301,293,804.11 = 91,606,249.05/x
  3. Step 3: Cross multiply
    201,048,540.45x = 301,293,804.11 × 91,606,249.05
  4. Step 4: Simplify right side
    201,048,540.45x = 27,600,395,256,064,544
  5. Step 5: Solve for x
    x = 27,600,395,256,064,544/201,048,540.45
  6. Step 6: Final answer
    x = 137,282,246.34

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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.