Home / 204,143,880.40-306,215,820.60-186,287,462.80

Finding the Fourth Proportional to 204,143,880.40, 306,215,820.60 and 186,287,462.80

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Solution

The fourth proportional to 204,143,880.40, 306,215,820.60 and 186,287,462.80 is: 279,431,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,143,880.40 : 306,215,820.60 = 186,287,462.80 : x
  2. Step 2: Convert to fraction form
    204,143,880.40/306,215,820.60 = 186,287,462.80/x
  3. Step 3: Cross multiply
    204,143,880.40x = 306,215,820.60 × 186,287,462.80
  4. Step 4: Simplify right side
    204,143,880.40x = 57,044,168,288,793,984
  5. Step 5: Solve for x
    x = 57,044,168,288,793,984/204,143,880.40
  6. Step 6: Final answer
    x = 279,431,194.20

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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.