Home / 317,045,123.70-475,567,685.55-213,732,993.30

Finding the Fourth Proportional to 317,045,123.70, 475,567,685.55 and 213,732,993.30

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Solution

The fourth proportional to 317,045,123.70, 475,567,685.55 and 213,732,993.30 is: 320,599,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045,123.70 : 475,567,685.55 = 213,732,993.30 : x
  2. Step 2: Convert to fraction form
    317,045,123.70/475,567,685.55 = 213,732,993.30/x
  3. Step 3: Cross multiply
    317,045,123.70x = 475,567,685.55 × 213,732,993.30
  4. Step 4: Simplify right side
    317,045,123.70x = 101,644,504,949,354,672
  5. Step 5: Solve for x
    x = 101,644,504,949,354,672/317,045,123.70
  6. Step 6: Final answer
    x = 320,599,489.95

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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.