Home / 64,378,974.10-96,568,461.15-43,971,639.70

Finding the Fourth Proportional to 64,378,974.10, 96,568,461.15 and 43,971,639.70

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Solution

The fourth proportional to 64,378,974.10, 96,568,461.15 and 43,971,639.70 is: 65,957,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,378,974.10 : 96,568,461.15 = 43,971,639.70 : x
  2. Step 2: Convert to fraction form
    64,378,974.10/96,568,461.15 = 43,971,639.70/x
  3. Step 3: Cross multiply
    64,378,974.10x = 96,568,461.15 × 43,971,639.70
  4. Step 4: Simplify right side
    64,378,974.10x = 4,246,273,580,071,248
  5. Step 5: Solve for x
    x = 4,246,273,580,071,248/64,378,974.10
  6. Step 6: Final answer
    x = 65,957,459.55

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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.