Home / 204,996,906.40-307,495,359.60-189,213,108.70

Finding the Fourth Proportional to 204,996,906.40, 307,495,359.60 and 189,213,108.70

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Solution

The fourth proportional to 204,996,906.40, 307,495,359.60 and 189,213,108.70 is: 283,819,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996,906.40 : 307,495,359.60 = 189,213,108.70 : x
  2. Step 2: Convert to fraction form
    204,996,906.40/307,495,359.60 = 189,213,108.70/x
  3. Step 3: Cross multiply
    204,996,906.40x = 307,495,359.60 × 189,213,108.70
  4. Step 4: Simplify right side
    204,996,906.40x = 58,182,152,900,740,392
  5. Step 5: Solve for x
    x = 58,182,152,900,740,392/204,996,906.40
  6. Step 6: Final answer
    x = 283,819,663.05

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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.