Home / 166,069,108.70-249,103,663.05-108,738,215.90

Finding the Fourth Proportional to 166,069,108.70, 249,103,663.05 and 108,738,215.90

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Solution

The fourth proportional to 166,069,108.70, 249,103,663.05 and 108,738,215.90 is: 163,107,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069,108.70 : 249,103,663.05 = 108,738,215.90 : x
  2. Step 2: Convert to fraction form
    166,069,108.70/249,103,663.05 = 108,738,215.90/x
  3. Step 3: Cross multiply
    166,069,108.70x = 249,103,663.05 × 108,738,215.90
  4. Step 4: Simplify right side
    166,069,108.70x = 27,087,087,894,211,756
  5. Step 5: Solve for x
    x = 27,087,087,894,211,756/166,069,108.70
  6. Step 6: Final answer
    x = 163,107,323.85

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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.