Home / 308,654,483.28-425,943,653.52-167,525,754.39

Finding the Fourth Proportional to 308,654,483.28, 425,943,653.52 and 167,525,754.39

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Solution

The fourth proportional to 308,654,483.28, 425,943,653.52 and 167,525,754.39 is: 231,185,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,654,483.28 : 425,943,653.52 = 167,525,754.39 : x
  2. Step 2: Convert to fraction form
    308,654,483.28/425,943,653.52 = 167,525,754.39/x
  3. Step 3: Cross multiply
    308,654,483.28x = 425,943,653.52 × 167,525,754.39
  4. Step 4: Simplify right side
    308,654,483.28x = 71,356,531,884,198,992
  5. Step 5: Solve for x
    x = 71,356,531,884,198,992/308,654,483.28
  6. Step 6: Final answer
    x = 231,185,794.31

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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.