Home / 56,684,145.78-85,039,710.51-18,345,660.02

Finding the Fourth Proportional to 56,684,145.78, 85,039,710.51 and 18,345,660.02

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Solution

The fourth proportional to 56,684,145.78, 85,039,710.51 and 18,345,660.02 is: 27,522,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684,145.78 : 85,039,710.51 = 18,345,660.02 : x
  2. Step 2: Convert to fraction form
    56,684,145.78/85,039,710.51 = 18,345,660.02/x
  3. Step 3: Cross multiply
    56,684,145.78x = 85,039,710.51 × 18,345,660.02
  4. Step 4: Simplify right side
    56,684,145.78x = 1,560,109,617,215,680.75
  5. Step 5: Solve for x
    x = 1,560,109,617,215,680.75/56,684,145.78
  6. Step 6: Final answer
    x = 27,522,856.63

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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.