Home / 120,424,347.98-166,172,272.25-66,777,660.35

Finding the Fourth Proportional to 120,424,347.98, 166,172,272.25 and 66,777,660.35

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Solution

The fourth proportional to 120,424,347.98, 166,172,272.25 and 66,777,660.35 is: 92,145,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424,347.98 : 166,172,272.25 = 66,777,660.35 : x
  2. Step 2: Convert to fraction form
    120,424,347.98/166,172,272.25 = 66,777,660.35/x
  3. Step 3: Cross multiply
    120,424,347.98x = 166,172,272.25 × 66,777,660.35
  4. Step 4: Simplify right side
    120,424,347.98x = 11,096,595,555,898,230
  5. Step 5: Solve for x
    x = 11,096,595,555,898,230/120,424,347.98
  6. Step 6: Final answer
    x = 92,145,780.67

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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.