Home / 166,219,489.20-249,329,233.80-75,520,225.20

Finding the Fourth Proportional to 166,219,489.20, 249,329,233.80 and 75,520,225.20

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Solution

The fourth proportional to 166,219,489.20, 249,329,233.80 and 75,520,225.20 is: 113,280,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,219,489.20 : 249,329,233.80 = 75,520,225.20 : x
  2. Step 2: Convert to fraction form
    166,219,489.20/249,329,233.80 = 75,520,225.20/x
  3. Step 3: Cross multiply
    166,219,489.20x = 249,329,233.80 × 75,520,225.20
  4. Step 4: Simplify right side
    166,219,489.20x = 18,829,399,885,519,452
  5. Step 5: Solve for x
    x = 18,829,399,885,519,452/166,219,489.20
  6. Step 6: Final answer
    x = 113,280,337.80

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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.