Home / 130,859,142.60-195,910,800.30-79,840,806.60

Finding the Fourth Proportional to 130,859,142.60, 195,910,800.30 and 79,840,806.60

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Solution

The fourth proportional to 130,859,142.60, 195,910,800.30 and 79,840,806.60 is: 119,530,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,142.60 : 195,910,800.30 = 79,840,806.60 : x
  2. Step 2: Convert to fraction form
    130,859,142.60/195,910,800.30 = 79,840,806.60/x
  3. Step 3: Cross multiply
    130,859,142.60x = 195,910,800.30 × 79,840,806.60
  4. Step 4: Simplify right side
    130,859,142.60x = 15,641,676,317,603,522
  5. Step 5: Solve for x
    x = 15,641,676,317,603,522/130,859,142.60
  6. Step 6: Final answer
    x = 119,530,634.29

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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.