Home / 120,424,303.31-166,172,210.57-66,777,615.66

Finding the Fourth Proportional to 120,424,303.31, 166,172,210.57 and 66,777,615.66

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Solution

The fourth proportional to 120,424,303.31, 166,172,210.57 and 66,777,615.66 is: 92,145,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424,303.31 : 166,172,210.57 = 66,777,615.66 : x
  2. Step 2: Convert to fraction form
    120,424,303.31/166,172,210.57 = 66,777,615.66/x
  3. Step 3: Cross multiply
    120,424,303.31x = 166,172,210.57 × 66,777,615.66
  4. Step 4: Simplify right side
    120,424,303.31x = 11,096,584,010,982,992
  5. Step 5: Solve for x
    x = 11,096,584,010,982,992/120,424,303.31
  6. Step 6: Final answer
    x = 92,145,718.98

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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.