Home / 99,743,656.80-149,709,963.60-61,479,904.80

Finding the Fourth Proportional to 99,743,656.80, 149,709,963.60 and 61,479,904.80

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Solution

The fourth proportional to 99,743,656.80, 149,709,963.60 and 61,479,904.80 is: 92,278,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,656.80 : 149,709,963.60 = 61,479,904.80 : x
  2. Step 2: Convert to fraction form
    99,743,656.80/149,709,963.60 = 61,479,904.80/x
  3. Step 3: Cross multiply
    99,743,656.80x = 149,709,963.60 × 61,479,904.80
  4. Step 4: Simplify right side
    99,743,656.80x = 9,204,154,309,739,464
  5. Step 5: Solve for x
    x = 9,204,154,309,739,464/99,743,656.80
  6. Step 6: Final answer
    x = 92,278,091.71

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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.