Home / 187,216,356.78-280,862,836.28-64,378,721.14

Finding the Fourth Proportional to 187,216,356.78, 280,862,836.28 and 64,378,721.14

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Solution

The fourth proportional to 187,216,356.78, 280,862,836.28 and 64,378,721.14 is: 96,581,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,216,356.78 : 280,862,836.28 = 64,378,721.14 : x
  2. Step 2: Convert to fraction form
    187,216,356.78/280,862,836.28 = 64,378,721.14/x
  3. Step 3: Cross multiply
    187,216,356.78x = 280,862,836.28 × 64,378,721.14
  4. Step 4: Simplify right side
    187,216,356.78x = 18,081,590,215,459,592
  5. Step 5: Solve for x
    x = 18,081,590,215,459,592/187,216,356.78
  6. Step 6: Final answer
    x = 96,581,252.44

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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.