Home / 120,683,790.69-166,561,180.52-67,766,438.85

Finding the Fourth Proportional to 120,683,790.69, 166,561,180.52 and 67,766,438.85

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Solution

The fourth proportional to 120,683,790.69, 166,561,180.52 and 67,766,438.85 is: 93,527,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,683,790.69 : 166,561,180.52 = 67,766,438.85 : x
  2. Step 2: Convert to fraction form
    120,683,790.69/166,561,180.52 = 67,766,438.85/x
  3. Step 3: Cross multiply
    120,683,790.69x = 166,561,180.52 × 67,766,438.85
  4. Step 4: Simplify right side
    120,683,790.69x = 11,287,258,054,153,558
  5. Step 5: Solve for x
    x = 11,287,258,054,153,558/120,683,790.69
  6. Step 6: Final answer
    x = 93,527,539.94

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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.