Home / 233,711,574-322,531,468.56-129,287,844.96

Finding the Fourth Proportional to 233,711,574, 322,531,468.56 and 129,287,844.96

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Solution

The fourth proportional to 233,711,574, 322,531,468.56 and 129,287,844.96 is: 178,422,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,711,574 : 322,531,468.56 = 129,287,844.96 : x
  2. Step 2: Convert to fraction form
    233,711,574/322,531,468.56 = 129,287,844.96/x
  3. Step 3: Cross multiply
    233,711,574x = 322,531,468.56 × 129,287,844.96
  4. Step 4: Simplify right side
    233,711,574x = 41,699,398,501,906,392
  5. Step 5: Solve for x
    x = 41,699,398,501,906,392/233,711,574
  6. Step 6: Final answer
    x = 178,422,479.42

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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.