Home / 201,270,801.35-301,856,338.42-86,242,299.59

Finding the Fourth Proportional to 201,270,801.35, 301,856,338.42 and 86,242,299.59

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Solution

The fourth proportional to 201,270,801.35, 301,856,338.42 and 86,242,299.59 is: 129,342,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,270,801.35 : 301,856,338.42 = 86,242,299.59 : x
  2. Step 2: Convert to fraction form
    201,270,801.35/301,856,338.42 = 86,242,299.59/x
  3. Step 3: Cross multiply
    201,270,801.35x = 301,856,338.42 × 86,242,299.59
  4. Step 4: Simplify right side
    201,270,801.35x = 26,032,784,769,217,572
  5. Step 5: Solve for x
    x = 26,032,784,769,217,572/201,270,801.35
  6. Step 6: Final answer
    x = 129,342,083.38

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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.