Home / 325,835,675.80-488,753,513.70-121,321,432.60

Finding the Fourth Proportional to 325,835,675.80, 488,753,513.70 and 121,321,432.60

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Solution

The fourth proportional to 325,835,675.80, 488,753,513.70 and 121,321,432.60 is: 181,982,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,835,675.80 : 488,753,513.70 = 121,321,432.60 : x
  2. Step 2: Convert to fraction form
    325,835,675.80/488,753,513.70 = 121,321,432.60/x
  3. Step 3: Cross multiply
    325,835,675.80x = 488,753,513.70 × 121,321,432.60
  4. Step 4: Simplify right side
    325,835,675.80x = 59,296,276,470,367,720
  5. Step 5: Solve for x
    x = 59,296,276,470,367,720/325,835,675.80
  6. Step 6: Final answer
    x = 181,982,148.90

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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.