Home / 193,536,405.60-290,080,659.60-78,464,047.20

Finding the Fourth Proportional to 193,536,405.60, 290,080,659.60 and 78,464,047.20

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Solution

The fourth proportional to 193,536,405.60, 290,080,659.60 and 78,464,047.20 is: 117,605,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,405.60 : 290,080,659.60 = 78,464,047.20 : x
  2. Step 2: Convert to fraction form
    193,536,405.60/290,080,659.60 = 78,464,047.20/x
  3. Step 3: Cross multiply
    193,536,405.60x = 290,080,659.60 × 78,464,047.20
  4. Step 4: Simplify right side
    193,536,405.60x = 22,760,902,566,661,536
  5. Step 5: Solve for x
    x = 22,760,902,566,661,536/193,536,405.60
  6. Step 6: Final answer
    x = 117,605,276.88

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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.