Home / 120,853,603.26-166,777,996.50-65,849,459.76

Finding the Fourth Proportional to 120,853,603.26, 166,777,996.50 and 65,849,459.76

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Solution

The fourth proportional to 120,853,603.26, 166,777,996.50 and 65,849,459.76 is: 90,872,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,853,603.26 : 166,777,996.50 = 65,849,459.76 : x
  2. Step 2: Convert to fraction form
    120,853,603.26/166,777,996.50 = 65,849,459.76/x
  3. Step 3: Cross multiply
    120,853,603.26x = 166,777,996.50 × 65,849,459.76
  4. Step 4: Simplify right side
    120,853,603.26x = 10,982,240,969,380,170
  5. Step 5: Solve for x
    x = 10,982,240,969,380,170/120,853,603.26
  6. Step 6: Final answer
    x = 90,872,267.55

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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.