Home / 72,649,726.20-109,016,579.70-27,216,113.40

Finding the Fourth Proportional to 72,649,726.20, 109,016,579.70 and 27,216,113.40

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Solution

The fourth proportional to 72,649,726.20, 109,016,579.70 and 27,216,113.40 is: 40,839,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,649,726.20 : 109,016,579.70 = 27,216,113.40 : x
  2. Step 2: Convert to fraction form
    72,649,726.20/109,016,579.70 = 27,216,113.40/x
  3. Step 3: Cross multiply
    72,649,726.20x = 109,016,579.70 × 27,216,113.40
  4. Step 4: Simplify right side
    72,649,726.20x = 2,967,007,595,595,338
  5. Step 5: Solve for x
    x = 2,967,007,595,595,338/72,649,726.20
  6. Step 6: Final answer
    x = 40,839,900.59

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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.