Home / 165,724,018.64-228,712,765.96-91,399,119.44

Finding the Fourth Proportional to 165,724,018.64, 228,712,765.96 and 91,399,119.44

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Solution

The fourth proportional to 165,724,018.64, 228,712,765.96 and 91,399,119.44 is: 126,138,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724,018.64 : 228,712,765.96 = 91,399,119.44 : x
  2. Step 2: Convert to fraction form
    165,724,018.64/228,712,765.96 = 91,399,119.44/x
  3. Step 3: Cross multiply
    165,724,018.64x = 228,712,765.96 × 91,399,119.44
  4. Step 4: Simplify right side
    165,724,018.64x = 20,904,145,413,430,808
  5. Step 5: Solve for x
    x = 20,904,145,413,430,808/165,724,018.64
  6. Step 6: Final answer
    x = 126,138,296.58

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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.