Home / 222,731,970.52-307,407,086.28-129,912,478.36

Finding the Fourth Proportional to 222,731,970.52, 307,407,086.28 and 129,912,478.36

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Solution

The fourth proportional to 222,731,970.52, 307,407,086.28 and 129,912,478.36 is: 179,300,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,731,970.52 : 307,407,086.28 = 129,912,478.36 : x
  2. Step 2: Convert to fraction form
    222,731,970.52/307,407,086.28 = 129,912,478.36/x
  3. Step 3: Cross multiply
    222,731,970.52x = 307,407,086.28 × 129,912,478.36
  4. Step 4: Simplify right side
    222,731,970.52x = 39,936,016,444,061,152
  5. Step 5: Solve for x
    x = 39,936,016,444,061,152/222,731,970.52
  6. Step 6: Final answer
    x = 179,300,781.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.