Home / 187,216,354.78-280,862,833.29-64,378,719.13

Finding the Fourth Proportional to 187,216,354.78, 280,862,833.29 and 64,378,719.13

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Solution

The fourth proportional to 187,216,354.78, 280,862,833.29 and 64,378,719.13 is: 96,581,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,216,354.78 : 280,862,833.29 = 64,378,719.13 : x
  2. Step 2: Convert to fraction form
    187,216,354.78/280,862,833.29 = 64,378,719.13/x
  3. Step 3: Cross multiply
    187,216,354.78x = 280,862,833.29 × 64,378,719.13
  4. Step 4: Simplify right side
    187,216,354.78x = 18,081,589,458,542,584
  5. Step 5: Solve for x
    x = 18,081,589,458,542,584/187,216,354.78
  6. Step 6: Final answer
    x = 96,581,249.43

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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.