Home / 204,720,928.20-307,081,392.30-127,236,830.40

Finding the Fourth Proportional to 204,720,928.20, 307,081,392.30 and 127,236,830.40

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Solution

The fourth proportional to 204,720,928.20, 307,081,392.30 and 127,236,830.40 is: 190,855,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,720,928.20 : 307,081,392.30 = 127,236,830.40 : x
  2. Step 2: Convert to fraction form
    204,720,928.20/307,081,392.30 = 127,236,830.40/x
  3. Step 3: Cross multiply
    204,720,928.20x = 307,081,392.30 × 127,236,830.40
  4. Step 4: Simplify right side
    204,720,928.20x = 39,072,063,031,070,968
  5. Step 5: Solve for x
    x = 39,072,063,031,070,968/204,720,928.20
  6. Step 6: Final answer
    x = 190,855,245.60

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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.