Home / 55,143,399.40-82,718,209.62-16,806,164.20

Finding the Fourth Proportional to 55,143,399.40, 82,718,209.62 and 16,806,164.20

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Solution

The fourth proportional to 55,143,399.40, 82,718,209.62 and 16,806,164.20 is: 25,210,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,399.40 : 82,718,209.62 = 16,806,164.20 : x
  2. Step 2: Convert to fraction form
    55,143,399.40/82,718,209.62 = 16,806,164.20/x
  3. Step 3: Cross multiply
    55,143,399.40x = 82,718,209.62 × 16,806,164.20
  4. Step 4: Simplify right side
    55,143,399.40x = 1,390,175,813,203,739.50
  5. Step 5: Solve for x
    x = 1,390,175,813,203,739.50/55,143,399.40
  6. Step 6: Final answer
    x = 25,210,194.30

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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.