Home / 122,485,500.90-183,728,251.35-121,635,195.30

Finding the Fourth Proportional to 122,485,500.90, 183,728,251.35 and 121,635,195.30

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Solution

The fourth proportional to 122,485,500.90, 183,728,251.35 and 121,635,195.30 is: 182,452,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,500.90 : 183,728,251.35 = 121,635,195.30 : x
  2. Step 2: Convert to fraction form
    122,485,500.90/183,728,251.35 = 121,635,195.30/x
  3. Step 3: Cross multiply
    122,485,500.90x = 183,728,251.35 × 121,635,195.30
  4. Step 4: Simplify right side
    122,485,500.90x = 22,347,821,735,084,736
  5. Step 5: Solve for x
    x = 22,347,821,735,084,736/122,485,500.90
  6. Step 6: Final answer
    x = 182,452,792.95

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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.