Home / 86,200,657.85-129,188,706.20-35,022,845.81

Finding the Fourth Proportional to 86,200,657.85, 129,188,706.20 and 35,022,845.81

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Solution

The fourth proportional to 86,200,657.85, 129,188,706.20 and 35,022,845.81 is: 52,488,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200,657.85 : 129,188,706.20 = 35,022,845.81 : x
  2. Step 2: Convert to fraction form
    86,200,657.85/129,188,706.20 = 35,022,845.81/x
  3. Step 3: Cross multiply
    86,200,657.85x = 129,188,706.20 × 35,022,845.81
  4. Step 4: Simplify right side
    86,200,657.85x = 4,524,556,137,915,184
  5. Step 5: Solve for x
    x = 4,524,556,137,915,184/86,200,657.85
  6. Step 6: Final answer
    x = 52,488,649.75

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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.