Home / 55,143,392.10-82,718,198.55-16,806,156.90

Finding the Fourth Proportional to 55,143,392.10, 82,718,198.55 and 16,806,156.90

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Solution

The fourth proportional to 55,143,392.10, 82,718,198.55 and 16,806,156.90 is: 25,210,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,392.10 : 82,718,198.55 = 16,806,156.90 : x
  2. Step 2: Convert to fraction form
    55,143,392.10/82,718,198.55 = 16,806,156.90/x
  3. Step 3: Cross multiply
    55,143,392.10x = 82,718,198.55 × 16,806,156.90
  4. Step 4: Simplify right side
    55,143,392.10x = 1,390,175,023,316,652.25
  5. Step 5: Solve for x
    x = 1,390,175,023,316,652.25/55,143,392.10
  6. Step 6: Final answer
    x = 25,210,183.31

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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.