Home / 122,873,328.20-184,309,992.30-74,657,851.40

Finding the Fourth Proportional to 122,873,328.20, 184,309,992.30 and 74,657,851.40

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Solution

The fourth proportional to 122,873,328.20, 184,309,992.30 and 74,657,851.40 is: 111,986,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873,328.20 : 184,309,992.30 = 74,657,851.40 : x
  2. Step 2: Convert to fraction form
    122,873,328.20/184,309,992.30 = 74,657,851.40/x
  3. Step 3: Cross multiply
    122,873,328.20x = 184,309,992.30 × 74,657,851.40
  4. Step 4: Simplify right side
    122,873,328.20x = 13,760,188,016,668,546
  5. Step 5: Solve for x
    x = 13,760,188,016,668,546/122,873,328.20
  6. Step 6: Final answer
    x = 111,986,777.10

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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.