Home / 122,501,311.20-169,049,671.60-66,747,193.11

Finding the Fourth Proportional to 122,501,311.20, 169,049,671.60 and 66,747,193.11

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Solution

The fourth proportional to 122,501,311.20, 169,049,671.60 and 66,747,193.11 is: 92,109,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,501,311.20 : 169,049,671.60 = 66,747,193.11 : x
  2. Step 2: Convert to fraction form
    122,501,311.20/169,049,671.60 = 66,747,193.11/x
  3. Step 3: Cross multiply
    122,501,311.20x = 169,049,671.60 × 66,747,193.11
  4. Step 4: Simplify right side
    122,501,311.20x = 11,283,591,075,467,282
  5. Step 5: Solve for x
    x = 11,283,591,075,467,282/122,501,311.20
  6. Step 6: Final answer
    x = 92,109,961.64

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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.