Home / 213,084,786.30-319,627,179.45-98,293,530.30

Finding the Fourth Proportional to 213,084,786.30, 319,627,179.45 and 98,293,530.30

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Solution

The fourth proportional to 213,084,786.30, 319,627,179.45 and 98,293,530.30 is: 147,440,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,084,786.30 : 319,627,179.45 = 98,293,530.30 : x
  2. Step 2: Convert to fraction form
    213,084,786.30/319,627,179.45 = 98,293,530.30/x
  3. Step 3: Cross multiply
    213,084,786.30x = 319,627,179.45 × 98,293,530.30
  4. Step 4: Simplify right side
    213,084,786.30x = 31,417,283,847,972,112
  5. Step 5: Solve for x
    x = 31,417,283,847,972,112/213,084,786.30
  6. Step 6: Final answer
    x = 147,440,295.45

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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.