Home / 72,753,485.10-109,130,227.65-49,795,233.90

Finding the Fourth Proportional to 72,753,485.10, 109,130,227.65 and 49,795,233.90

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Solution

The fourth proportional to 72,753,485.10, 109,130,227.65 and 49,795,233.90 is: 74,692,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,753,485.10 : 109,130,227.65 = 49,795,233.90 : x
  2. Step 2: Convert to fraction form
    72,753,485.10/109,130,227.65 = 49,795,233.90/x
  3. Step 3: Cross multiply
    72,753,485.10x = 109,130,227.65 × 49,795,233.90
  4. Step 4: Simplify right side
    72,753,485.10x = 5,434,165,211,391,997
  5. Step 5: Solve for x
    x = 5,434,165,211,391,997/72,753,485.10
  6. Step 6: Final answer
    x = 74,692,850.85

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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.