Home / 132,990,539.60-199,485,809.40-127,321,835.60

Finding the Fourth Proportional to 132,990,539.60, 199,485,809.40 and 127,321,835.60

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Solution

The fourth proportional to 132,990,539.60, 199,485,809.40 and 127,321,835.60 is: 190,982,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990,539.60 : 199,485,809.40 = 127,321,835.60 : x
  2. Step 2: Convert to fraction form
    132,990,539.60/199,485,809.40 = 127,321,835.60/x
  3. Step 3: Cross multiply
    132,990,539.60x = 199,485,809.40 × 127,321,835.60
  4. Step 4: Simplify right side
    132,990,539.60x = 25,398,899,428,959,736
  5. Step 5: Solve for x
    x = 25,398,899,428,959,736/132,990,539.60
  6. Step 6: Final answer
    x = 190,982,753.40

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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.