Home / 51,239,195.90-76,860,261.84-20,113,557.66

Finding the Fourth Proportional to 51,239,195.90, 76,860,261.84 and 20,113,557.66

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Solution

The fourth proportional to 51,239,195.90, 76,860,261.84 and 20,113,557.66 is: 30,170,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239,195.90 : 76,860,261.84 = 20,113,557.66 : x
  2. Step 2: Convert to fraction form
    51,239,195.90/76,860,261.84 = 20,113,557.66/x
  3. Step 3: Cross multiply
    51,239,195.90x = 76,860,261.84 × 20,113,557.66
  4. Step 4: Simplify right side
    51,239,195.90x = 1,545,933,308,281,537.75
  5. Step 5: Solve for x
    x = 1,545,933,308,281,537.75/51,239,195.90
  6. Step 6: Final answer
    x = 30,170,912.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.