Home / 122,873,327.20-184,309,990.80-74,657,850.40

Finding the Fourth Proportional to 122,873,327.20, 184,309,990.80 and 74,657,850.40

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Solution

The fourth proportional to 122,873,327.20, 184,309,990.80 and 74,657,850.40 is: 111,986,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873,327.20 : 184,309,990.80 = 74,657,850.40 : x
  2. Step 2: Convert to fraction form
    122,873,327.20/184,309,990.80 = 74,657,850.40/x
  3. Step 3: Cross multiply
    122,873,327.20x = 184,309,990.80 × 74,657,850.40
  4. Step 4: Simplify right side
    122,873,327.20x = 13,760,187,720,371,778
  5. Step 5: Solve for x
    x = 13,760,187,720,371,778/122,873,327.20
  6. Step 6: Final answer
    x = 111,986,775.60

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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.