Home / 201,048,513.18-301,293,763.22-91,606,221.78

Finding the Fourth Proportional to 201,048,513.18, 301,293,763.22 and 91,606,221.78

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Solution

The fourth proportional to 201,048,513.18, 301,293,763.22 and 91,606,221.78 is: 137,282,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,048,513.18 : 301,293,763.22 = 91,606,221.78 : x
  2. Step 2: Convert to fraction form
    201,048,513.18/301,293,763.22 = 91,606,221.78/x
  3. Step 3: Cross multiply
    201,048,513.18x = 301,293,763.22 × 91,606,221.78
  4. Step 4: Simplify right side
    201,048,513.18x = 27,600,383,294,462,128
  5. Step 5: Solve for x
    x = 27,600,383,294,462,128/201,048,513.18
  6. Step 6: Final answer
    x = 137,282,205.46

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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.