Home / 204,996,906.90-307,495,360.35-189,213,109.20

Finding the Fourth Proportional to 204,996,906.90, 307,495,360.35 and 189,213,109.20

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Solution

The fourth proportional to 204,996,906.90, 307,495,360.35 and 189,213,109.20 is: 283,819,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996,906.90 : 307,495,360.35 = 189,213,109.20 : x
  2. Step 2: Convert to fraction form
    204,996,906.90/307,495,360.35 = 189,213,109.20/x
  3. Step 3: Cross multiply
    204,996,906.90x = 307,495,360.35 × 189,213,109.20
  4. Step 4: Simplify right side
    204,996,906.90x = 58,182,153,196,397,904
  5. Step 5: Solve for x
    x = 58,182,153,196,397,904/204,996,906.90
  6. Step 6: Final answer
    x = 283,819,663.80

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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.