Home / 308,337,939-462,627,960.57-135,693,647.46

Finding the Fourth Proportional to 308,337,939, 462,627,960.57 and 135,693,647.46

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Solution

The fourth proportional to 308,337,939, 462,627,960.57 and 135,693,647.46 is: 203,593,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,337,939 : 462,627,960.57 = 135,693,647.46 : x
  2. Step 2: Convert to fraction form
    308,337,939/462,627,960.57 = 135,693,647.46/x
  3. Step 3: Cross multiply
    308,337,939x = 462,627,960.57 × 135,693,647.46
  4. Step 4: Simplify right side
    308,337,939x = 62,775,675,386,724,360
  5. Step 5: Solve for x
    x = 62,775,675,386,724,360/308,337,939
  6. Step 6: Final answer
    x = 203,593,743.90

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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.