Home / 122,526,124.25-169,086,086.60-66,771,560.30

Finding the Fourth Proportional to 122,526,124.25, 169,086,086.60 and 66,771,560.30

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Solution

The fourth proportional to 122,526,124.25, 169,086,086.60 and 66,771,560.30 is: 92,144,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526,124.25 : 169,086,086.60 = 66,771,560.30 : x
  2. Step 2: Convert to fraction form
    122,526,124.25/169,086,086.60 = 66,771,560.30/x
  3. Step 3: Cross multiply
    122,526,124.25x = 169,086,086.60 × 66,771,560.30
  4. Step 4: Simplify right side
    122,526,124.25x = 11,290,141,826,123,634
  5. Step 5: Solve for x
    x = 11,290,141,826,123,634/122,526,124.25
  6. Step 6: Final answer
    x = 92,144,772.36

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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.