Home / 308,337,938.75-462,627,960.20-135,693,647.21

Finding the Fourth Proportional to 308,337,938.75, 462,627,960.20 and 135,693,647.21

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Solution

The fourth proportional to 308,337,938.75, 462,627,960.20 and 135,693,647.21 is: 203,593,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,337,938.75 : 462,627,960.20 = 135,693,647.21 : x
  2. Step 2: Convert to fraction form
    308,337,938.75/462,627,960.20 = 135,693,647.21/x
  3. Step 3: Cross multiply
    308,337,938.75x = 462,627,960.20 × 135,693,647.21
  4. Step 4: Simplify right side
    308,337,938.75x = 62,775,675,220,182,256
  5. Step 5: Solve for x
    x = 62,775,675,220,182,256/308,337,938.75
  6. Step 6: Final answer
    x = 203,593,743.52

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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.