Home / 166,060,763.20-249,232,862.40-74,086,040.80

Finding the Fourth Proportional to 166,060,763.20, 249,232,862.40 and 74,086,040.80

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Solution

The fourth proportional to 166,060,763.20, 249,232,862.40 and 74,086,040.80 is: 111,192,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,060,763.20 : 249,232,862.40 = 74,086,040.80 : x
  2. Step 2: Convert to fraction form
    166,060,763.20/249,232,862.40 = 74,086,040.80/x
  3. Step 3: Cross multiply
    166,060,763.20x = 249,232,862.40 × 74,086,040.80
  4. Step 4: Simplify right side
    166,060,763.20x = 18,464,676,012,467,184
  5. Step 5: Solve for x
    x = 18,464,676,012,467,184/166,060,763.20
  6. Step 6: Final answer
    x = 111,192,286.83

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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.