Home / 197,223,405.64-272,176,311.27-109,115,968.36

Finding the Fourth Proportional to 197,223,405.64, 272,176,311.27 and 109,115,968.36

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Solution

The fourth proportional to 197,223,405.64, 272,176,311.27 and 109,115,968.36 is: 150,584,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,223,405.64 : 272,176,311.27 = 109,115,968.36 : x
  2. Step 2: Convert to fraction form
    197,223,405.64/272,176,311.27 = 109,115,968.36/x
  3. Step 3: Cross multiply
    197,223,405.64x = 272,176,311.27 × 109,115,968.36
  4. Step 4: Simplify right side
    197,223,405.64x = 29,698,781,768,878,828
  5. Step 5: Solve for x
    x = 29,698,781,768,878,828/197,223,405.64
  6. Step 6: Final answer
    x = 150,584,468.78

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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.