Home / 72,263,787.49-108,399,860.16-20,444,049.26

Finding the Fourth Proportional to 72,263,787.49, 108,399,860.16 and 20,444,049.26

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Solution

The fourth proportional to 72,263,787.49, 108,399,860.16 and 20,444,049.26 is: 30,667,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263,787.49 : 108,399,860.16 = 20,444,049.26 : x
  2. Step 2: Convert to fraction form
    72,263,787.49/108,399,860.16 = 20,444,049.26/x
  3. Step 3: Cross multiply
    72,263,787.49x = 108,399,860.16 × 20,444,049.26
  4. Step 4: Simplify right side
    72,263,787.49x = 2,216,132,080,873,492
  5. Step 5: Solve for x
    x = 2,216,132,080,873,492/72,263,787.49
  6. Step 6: Final answer
    x = 30,667,256.14

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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.