Home / 166,219,387.20-249,329,080.80-75,520,123.20

Finding the Fourth Proportional to 166,219,387.20, 249,329,080.80 and 75,520,123.20

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Solution

The fourth proportional to 166,219,387.20, 249,329,080.80 and 75,520,123.20 is: 113,280,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,219,387.20 : 249,329,080.80 = 75,520,123.20 : x
  2. Step 2: Convert to fraction form
    166,219,387.20/249,329,080.80 = 75,520,123.20/x
  3. Step 3: Cross multiply
    166,219,387.20x = 249,329,080.80 × 75,520,123.20
  4. Step 4: Simplify right side
    166,219,387.20x = 18,829,362,899,358,756
  5. Step 5: Solve for x
    x = 18,829,362,899,358,756/166,219,387.20
  6. Step 6: Final answer
    x = 113,280,184.80

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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.