Home / 166,217,999.70-249,326,999.55-137,906,447.70

Finding the Fourth Proportional to 166,217,999.70, 249,326,999.55 and 137,906,447.70

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Solution

The fourth proportional to 166,217,999.70, 249,326,999.55 and 137,906,447.70 is: 206,859,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,217,999.70 : 249,326,999.55 = 137,906,447.70 : x
  2. Step 2: Convert to fraction form
    166,217,999.70/249,326,999.55 = 137,906,447.70/x
  3. Step 3: Cross multiply
    166,217,999.70x = 249,326,999.55 × 137,906,447.70
  4. Step 4: Simplify right side
    166,217,999.70x = 34,383,800,823,639,996
  5. Step 5: Solve for x
    x = 34,383,800,823,639,996/166,217,999.70
  6. Step 6: Final answer
    x = 206,859,671.55

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1.5x scale

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.