Home / 122,268,832.40-183,403,248.60-81,454,163.60

Finding the Fourth Proportional to 122,268,832.40, 183,403,248.60 and 81,454,163.60

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Solution

The fourth proportional to 122,268,832.40, 183,403,248.60 and 81,454,163.60 is: 122,181,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,268,832.40 : 183,403,248.60 = 81,454,163.60 : x
  2. Step 2: Convert to fraction form
    122,268,832.40/183,403,248.60 = 81,454,163.60/x
  3. Step 3: Cross multiply
    122,268,832.40x = 183,403,248.60 × 81,454,163.60
  4. Step 4: Simplify right side
    122,268,832.40x = 14,938,958,216,235,870
  5. Step 5: Solve for x
    x = 14,938,958,216,235,870/122,268,832.40
  6. Step 6: Final answer
    x = 122,181,245.40

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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.