Home / 45,617,680.44-68,418,254.61-18,322,870.68

Finding the Fourth Proportional to 45,617,680.44, 68,418,254.61 and 18,322,870.68

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Solution

The fourth proportional to 45,617,680.44, 68,418,254.61 and 18,322,870.68 is: 27,480,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,617,680.44 : 68,418,254.61 = 18,322,870.68 : x
  2. Step 2: Convert to fraction form
    45,617,680.44/68,418,254.61 = 18,322,870.68/x
  3. Step 3: Cross multiply
    45,617,680.44x = 68,418,254.61 × 18,322,870.68
  4. Step 4: Simplify right side
    45,617,680.44x = 1,253,618,831,370,343.75
  5. Step 5: Solve for x
    x = 1,253,618,831,370,343.75/45,617,680.44
  6. Step 6: Final answer
    x = 27,480,985.87

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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.