Home / 213,624,204.30-320,436,306.45-141,820,620.30

Finding the Fourth Proportional to 213,624,204.30, 320,436,306.45 and 141,820,620.30

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Solution

The fourth proportional to 213,624,204.30, 320,436,306.45 and 141,820,620.30 is: 212,730,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,624,204.30 : 320,436,306.45 = 141,820,620.30 : x
  2. Step 2: Convert to fraction form
    213,624,204.30/320,436,306.45 = 141,820,620.30/x
  3. Step 3: Cross multiply
    213,624,204.30x = 320,436,306.45 × 141,820,620.30
  4. Step 4: Simplify right side
    213,624,204.30x = 45,444,475,747,379,896
  5. Step 5: Solve for x
    x = 45,444,475,747,379,896/213,624,204.30
  6. Step 6: Final answer
    x = 212,730,930.45

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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.