Home / 243,260,901.60-364,382,629.20-113,978,853.60

Finding the Fourth Proportional to 243,260,901.60, 364,382,629.20 and 113,978,853.60

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Solution

The fourth proportional to 243,260,901.60, 364,382,629.20 and 113,978,853.60 is: 170,729,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,260,901.60 : 364,382,629.20 = 113,978,853.60 : x
  2. Step 2: Convert to fraction form
    243,260,901.60/364,382,629.20 = 113,978,853.60/x
  3. Step 3: Cross multiply
    243,260,901.60x = 364,382,629.20 × 113,978,853.60
  4. Step 4: Simplify right side
    243,260,901.60x = 41,531,914,347,969,880
  5. Step 5: Solve for x
    x = 41,531,914,347,969,880/243,260,901.60
  6. Step 6: Final answer
    x = 170,729,920.32

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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.