Home / 204,518,579.40-306,777,869.10-139,948,497.90

Finding the Fourth Proportional to 204,518,579.40, 306,777,869.10 and 139,948,497.90

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Solution

The fourth proportional to 204,518,579.40, 306,777,869.10 and 139,948,497.90 is: 209,922,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,518,579.40 : 306,777,869.10 = 139,948,497.90 : x
  2. Step 2: Convert to fraction form
    204,518,579.40/306,777,869.10 = 139,948,497.90/x
  3. Step 3: Cross multiply
    204,518,579.40x = 306,777,869.10 × 139,948,497.90
  4. Step 4: Simplify right side
    204,518,579.40x = 42,933,101,969,507,832
  5. Step 5: Solve for x
    x = 42,933,101,969,507,832/204,518,579.40
  6. Step 6: Final answer
    x = 209,922,746.85

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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.