Home / 166,061,005.20-249,233,225.40-74,086,282.80

Finding the Fourth Proportional to 166,061,005.20, 249,233,225.40 and 74,086,282.80

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Solution

The fourth proportional to 166,061,005.20, 249,233,225.40 and 74,086,282.80 is: 111,192,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,061,005.20 : 249,233,225.40 = 74,086,282.80 : x
  2. Step 2: Convert to fraction form
    166,061,005.20/249,233,225.40 = 74,086,282.80/x
  3. Step 3: Cross multiply
    166,061,005.20x = 249,233,225.40 × 74,086,282.80
  4. Step 4: Simplify right side
    166,061,005.20x = 18,464,763,220,140,544
  5. Step 5: Solve for x
    x = 18,464,763,220,140,544/166,061,005.20
  6. Step 6: Final answer
    x = 111,192,649.94

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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.