Home / 220,765,999.62-304,643,352.39-121,641,199.86

Finding the Fourth Proportional to 220,765,999.62, 304,643,352.39 and 121,641,199.86

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Solution

The fourth proportional to 220,765,999.62, 304,643,352.39 and 121,641,199.86 is: 167,857,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765,999.62 : 304,643,352.39 = 121,641,199.86 : x
  2. Step 2: Convert to fraction form
    220,765,999.62/304,643,352.39 = 121,641,199.86/x
  3. Step 3: Cross multiply
    220,765,999.62x = 304,643,352.39 × 121,641,199.86
  4. Step 4: Simplify right side
    220,765,999.62x = 37,057,182,914,092,400
  5. Step 5: Solve for x
    x = 37,057,182,914,092,400/220,765,999.62
  6. Step 6: Final answer
    x = 167,857,292.24

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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.