Home / 166,002,679.80-249,004,019.70-163,735,198.20

Finding the Fourth Proportional to 166,002,679.80, 249,004,019.70 and 163,735,198.20

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Solution

The fourth proportional to 166,002,679.80, 249,004,019.70 and 163,735,198.20 is: 245,602,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,002,679.80 : 249,004,019.70 = 163,735,198.20 : x
  2. Step 2: Convert to fraction form
    166,002,679.80/249,004,019.70 = 163,735,198.20/x
  3. Step 3: Cross multiply
    166,002,679.80x = 249,004,019.70 × 163,735,198.20
  4. Step 4: Simplify right side
    166,002,679.80x = 40,770,722,518,176,200
  5. Step 5: Solve for x
    x = 40,770,722,518,176,200/166,002,679.80
  6. Step 6: Final answer
    x = 245,602,797.30

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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.