Home / 201,270,800.73-301,856,337.48-86,242,298.97

Finding the Fourth Proportional to 201,270,800.73, 301,856,337.48 and 86,242,298.97

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Solution

The fourth proportional to 201,270,800.73, 301,856,337.48 and 86,242,298.97 is: 129,342,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,270,800.73 : 301,856,337.48 = 86,242,298.97 : x
  2. Step 2: Convert to fraction form
    201,270,800.73/301,856,337.48 = 86,242,298.97/x
  3. Step 3: Cross multiply
    201,270,800.73x = 301,856,337.48 × 86,242,298.97
  4. Step 4: Simplify right side
    201,270,800.73x = 26,032,784,501,430,096
  5. Step 5: Solve for x
    x = 26,032,784,501,430,096/201,270,800.73
  6. Step 6: Final answer
    x = 129,342,082.45

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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.