Home / 48,138,912.40-72,208,368.60-43,981,862.80

Finding the Fourth Proportional to 48,138,912.40, 72,208,368.60 and 43,981,862.80

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Solution

The fourth proportional to 48,138,912.40, 72,208,368.60 and 43,981,862.80 is: 65,972,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138,912.40 : 72,208,368.60 = 43,981,862.80 : x
  2. Step 2: Convert to fraction form
    48,138,912.40/72,208,368.60 = 43,981,862.80/x
  3. Step 3: Cross multiply
    48,138,912.40x = 72,208,368.60 × 43,981,862.80
  4. Step 4: Simplify right side
    48,138,912.40x = 3,175,858,560,777,027.50
  5. Step 5: Solve for x
    x = 3,175,858,560,777,027.50/48,138,912.40
  6. Step 6: Final answer
    x = 65,972,794.20

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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.