Home / 55,143,393.40-82,718,200.62-16,806,158.20

Finding the Fourth Proportional to 55,143,393.40, 82,718,200.62 and 16,806,158.20

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Solution

The fourth proportional to 55,143,393.40, 82,718,200.62 and 16,806,158.20 is: 25,210,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,393.40 : 82,718,200.62 = 16,806,158.20 : x
  2. Step 2: Convert to fraction form
    55,143,393.40/82,718,200.62 = 16,806,158.20/x
  3. Step 3: Cross multiply
    55,143,393.40x = 82,718,200.62 × 16,806,158.20
  4. Step 4: Simplify right side
    55,143,393.40x = 1,390,175,165,639,058
  5. Step 5: Solve for x
    x = 1,390,175,165,639,058/55,143,393.40
  6. Step 6: Final answer
    x = 25,210,185.30

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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.