Home / 83,993,695.20-125,738,600.40-79,010,834.40

Finding the Fourth Proportional to 83,993,695.20, 125,738,600.40 and 79,010,834.40

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Solution

The fourth proportional to 83,993,695.20, 125,738,600.40 and 79,010,834.40 is: 118,279,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,993,695.20 : 125,738,600.40 = 79,010,834.40 : x
  2. Step 2: Convert to fraction form
    83,993,695.20/125,738,600.40 = 79,010,834.40/x
  3. Step 3: Cross multiply
    83,993,695.20x = 125,738,600.40 × 79,010,834.40
  4. Step 4: Simplify right side
    83,993,695.20x = 9,934,711,733,892,174
  5. Step 5: Solve for x
    x = 9,934,711,733,892,174/83,993,695.20
  6. Step 6: Final answer
    x = 118,279,255.49

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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.