Home / 120,683,813.70-166,561,212.26-67,766,461.86

Finding the Fourth Proportional to 120,683,813.70, 166,561,212.26 and 67,766,461.86

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Solution

The fourth proportional to 120,683,813.70, 166,561,212.26 and 67,766,461.86 is: 93,527,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,683,813.70 : 166,561,212.26 = 67,766,461.86 : x
  2. Step 2: Convert to fraction form
    120,683,813.70/166,561,212.26 = 67,766,461.86/x
  3. Step 3: Cross multiply
    120,683,813.70x = 166,561,212.26 × 67,766,461.86
  4. Step 4: Simplify right side
    120,683,813.70x = 11,287,264,037,972,654
  5. Step 5: Solve for x
    x = 11,287,264,037,972,654/120,683,813.70
  6. Step 6: Final answer
    x = 93,527,571.69

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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.