Home / 53,505,315.20-80,257,972.80-19,427,772.80

Finding the Fourth Proportional to 53,505,315.20, 80,257,972.80 and 19,427,772.80

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Solution

The fourth proportional to 53,505,315.20, 80,257,972.80 and 19,427,772.80 is: 29,141,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,505,315.20 : 80,257,972.80 = 19,427,772.80 : x
  2. Step 2: Convert to fraction form
    53,505,315.20/80,257,972.80 = 19,427,772.80/x
  3. Step 3: Cross multiply
    53,505,315.20x = 80,257,972.80 × 19,427,772.80
  4. Step 4: Simplify right side
    53,505,315.20x = 1,559,233,660,946,979.75
  5. Step 5: Solve for x
    x = 1,559,233,660,946,979.75/53,505,315.20
  6. Step 6: Final answer
    x = 29,141,659.20

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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.