Home / 201,465,564.30-302,198,346.45-72,083,324.70

Finding the Fourth Proportional to 201,465,564.30, 302,198,346.45 and 72,083,324.70

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Solution

The fourth proportional to 201,465,564.30, 302,198,346.45 and 72,083,324.70 is: 108,124,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,465,564.30 : 302,198,346.45 = 72,083,324.70 : x
  2. Step 2: Convert to fraction form
    201,465,564.30/302,198,346.45 = 72,083,324.70/x
  3. Step 3: Cross multiply
    201,465,564.30x = 302,198,346.45 × 72,083,324.70
  4. Step 4: Simplify right side
    201,465,564.30x = 21,783,461,530,958,444
  5. Step 5: Solve for x
    x = 21,783,461,530,958,444/201,465,564.30
  6. Step 6: Final answer
    x = 108,124,987.05

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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.