Home / 165,822,749.22-228,834,115.80-91,486,442.76

Finding the Fourth Proportional to 165,822,749.22, 228,834,115.80 and 91,486,442.76

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Solution

The fourth proportional to 165,822,749.22, 228,834,115.80 and 91,486,442.76 is: 126,250,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,822,749.22 : 228,834,115.80 = 91,486,442.76 : x
  2. Step 2: Convert to fraction form
    165,822,749.22/228,834,115.80 = 91,486,442.76/x
  3. Step 3: Cross multiply
    165,822,749.22x = 228,834,115.80 × 91,486,442.76
  4. Step 4: Simplify right side
    165,822,749.22x = 20,935,219,236,671,912
  5. Step 5: Solve for x
    x = 20,935,219,236,671,912/165,822,749.22
  6. Step 6: Final answer
    x = 126,250,585.85

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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.