Home / 204,310,205.40-306,465,308.10-135,931,171.80

Finding the Fourth Proportional to 204,310,205.40, 306,465,308.10 and 135,931,171.80

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Solution

The fourth proportional to 204,310,205.40, 306,465,308.10 and 135,931,171.80 is: 203,896,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,310,205.40 : 306,465,308.10 = 135,931,171.80 : x
  2. Step 2: Convert to fraction form
    204,310,205.40/306,465,308.10 = 135,931,171.80/x
  3. Step 3: Cross multiply
    204,310,205.40x = 306,465,308.10 × 135,931,171.80
  4. Step 4: Simplify right side
    204,310,205.40x = 41,658,188,446,081,040
  5. Step 5: Solve for x
    x = 41,658,188,446,081,040/204,310,205.40
  6. Step 6: Final answer
    x = 203,896,757.70

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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.