Home / 120,424,360.23-166,172,288.40-66,777,672.24

Finding the Fourth Proportional to 120,424,360.23, 166,172,288.40 and 66,777,672.24

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Solution

The fourth proportional to 120,424,360.23, 166,172,288.40 and 66,777,672.24 is: 92,145,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424,360.23 : 166,172,288.40 = 66,777,672.24 : x
  2. Step 2: Convert to fraction form
    120,424,360.23/166,172,288.40 = 66,777,672.24/x
  3. Step 3: Cross multiply
    120,424,360.23x = 166,172,288.40 × 66,777,672.24
  4. Step 4: Simplify right side
    120,424,360.23x = 11,096,598,610,145,954
  5. Step 5: Solve for x
    x = 11,096,598,610,145,954/120,424,360.23
  6. Step 6: Final answer
    x = 92,145,796.66

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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.