Home / 103,902,470.31-155,809,852.47-31,129,593.33

Finding the Fourth Proportional to 103,902,470.31, 155,809,852.47 and 31,129,593.33

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Solution

The fourth proportional to 103,902,470.31, 155,809,852.47 and 31,129,593.33 is: 46,681,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,902,470.31 : 155,809,852.47 = 31,129,593.33 : x
  2. Step 2: Convert to fraction form
    103,902,470.31/155,809,852.47 = 31,129,593.33/x
  3. Step 3: Cross multiply
    103,902,470.31x = 155,809,852.47 × 31,129,593.33
  4. Step 4: Simplify right side
    103,902,470.31x = 4,850,297,344,198,396
  5. Step 5: Solve for x
    x = 4,850,297,344,198,396/103,902,470.31
  6. Step 6: Final answer
    x = 46,681,251.46

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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.