Home / 166,288,518.81-249,305,625.50-100,695,380.85

Finding the Fourth Proportional to 166,288,518.81, 249,305,625.50 and 100,695,380.85

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Solution

The fourth proportional to 166,288,518.81, 249,305,625.50 and 100,695,380.85 is: 150,966,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,288,518.81 : 249,305,625.50 = 100,695,380.85 : x
  2. Step 2: Convert to fraction form
    166,288,518.81/249,305,625.50 = 100,695,380.85/x
  3. Step 3: Cross multiply
    166,288,518.81x = 249,305,625.50 × 100,695,380.85
  4. Step 4: Simplify right side
    166,288,518.81x = 25,103,924,907,266,492
  5. Step 5: Solve for x
    x = 25,103,924,907,266,492/166,288,518.81
  6. Step 6: Final answer
    x = 150,966,074.43

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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.