Home / 187,216,356.29-280,862,835.54-64,378,720.64

Finding the Fourth Proportional to 187,216,356.29, 280,862,835.54 and 64,378,720.64

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Solution

The fourth proportional to 187,216,356.29, 280,862,835.54 and 64,378,720.64 is: 96,581,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,216,356.29 : 280,862,835.54 = 64,378,720.64 : x
  2. Step 2: Convert to fraction form
    187,216,356.29/280,862,835.54 = 64,378,720.64/x
  3. Step 3: Cross multiply
    187,216,356.29x = 280,862,835.54 × 64,378,720.64
  4. Step 4: Simplify right side
    187,216,356.29x = 18,081,590,025,983,612
  5. Step 5: Solve for x
    x = 18,081,590,025,983,612/187,216,356.29
  6. Step 6: Final answer
    x = 96,581,251.69

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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.