Home / 239,653,970.58-330,719,245.81-133,809,016.25

Finding the Fourth Proportional to 239,653,970.58, 330,719,245.81 and 133,809,016.25

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Solution

The fourth proportional to 239,653,970.58, 330,719,245.81 and 133,809,016.25 is: 184,654,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,653,970.58 : 330,719,245.81 = 133,809,016.25 : x
  2. Step 2: Convert to fraction form
    239,653,970.58/330,719,245.81 = 133,809,016.25/x
  3. Step 3: Cross multiply
    239,653,970.58x = 330,719,245.81 × 133,809,016.25
  4. Step 4: Simplify right side
    239,653,970.58x = 44,253,216,936,778,032
  5. Step 5: Solve for x
    x = 44,253,216,936,778,032/239,653,970.58
  6. Step 6: Final answer
    x = 184,654,636.97

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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.