Home / 99,794,285.10-149,691,427.65-85,181,625.90

Finding the Fourth Proportional to 99,794,285.10, 149,691,427.65 and 85,181,625.90

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Solution

The fourth proportional to 99,794,285.10, 149,691,427.65 and 85,181,625.90 is: 127,772,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,285.10 : 149,691,427.65 = 85,181,625.90 : x
  2. Step 2: Convert to fraction form
    99,794,285.10/149,691,427.65 = 85,181,625.90/x
  3. Step 3: Cross multiply
    99,794,285.10x = 149,691,427.65 × 85,181,625.90
  4. Step 4: Simplify right side
    99,794,285.10x = 12,750,959,190,519,218
  5. Step 5: Solve for x
    x = 12,750,959,190,519,218/99,794,285.10
  6. Step 6: Final answer
    x = 127,772,438.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.