Home / 198,018,090.40-273,260,730.72-109,906,951.36

Finding the Fourth Proportional to 198,018,090.40, 273,260,730.72 and 109,906,951.36

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Solution

The fourth proportional to 198,018,090.40, 273,260,730.72 and 109,906,951.36 is: 151,669,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,018,090.40 : 273,260,730.72 = 109,906,951.36 : x
  2. Step 2: Convert to fraction form
    198,018,090.40/273,260,730.72 = 109,906,951.36/x
  3. Step 3: Cross multiply
    198,018,090.40x = 273,260,730.72 × 109,906,951.36
  4. Step 4: Simplify right side
    198,018,090.40x = 30,033,253,839,841,100
  5. Step 5: Solve for x
    x = 30,033,253,839,841,100/198,018,090.40
  6. Step 6: Final answer
    x = 151,669,242.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.