Home / 120,424,267.98-166,172,161.86-66,777,580.44

Finding the Fourth Proportional to 120,424,267.98, 166,172,161.86 and 66,777,580.44

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Solution

The fourth proportional to 120,424,267.98, 166,172,161.86 and 66,777,580.44 is: 92,145,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424,267.98 : 166,172,161.86 = 66,777,580.44 : x
  2. Step 2: Convert to fraction form
    120,424,267.98/166,172,161.86 = 66,777,580.44/x
  3. Step 3: Cross multiply
    120,424,267.98x = 166,172,161.86 × 66,777,580.44
  4. Step 4: Simplify right side
    120,424,267.98x = 11,096,574,905,494,850
  5. Step 5: Solve for x
    x = 11,096,574,905,494,850/120,424,267.98
  6. Step 6: Final answer
    x = 92,145,670.40

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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.