Home / 187,216,434.72-280,862,953.28-64,378,799.15

Finding the Fourth Proportional to 187,216,434.72, 280,862,953.28 and 64,378,799.15

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Solution

The fourth proportional to 187,216,434.72, 280,862,953.28 and 64,378,799.15 is: 96,581,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,216,434.72 : 280,862,953.28 = 64,378,799.15 : x
  2. Step 2: Convert to fraction form
    187,216,434.72/280,862,953.28 = 64,378,799.15/x
  3. Step 3: Cross multiply
    187,216,434.72x = 280,862,953.28 × 64,378,799.15
  4. Step 4: Simplify right side
    187,216,434.72x = 18,081,619,658,049,904
  5. Step 5: Solve for x
    x = 18,081,619,658,049,904/187,216,434.72
  6. Step 6: Final answer
    x = 96,581,369.50

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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.