Home / 139,751,063.50-192,853,884.45-76,171,950.58

Finding the Fourth Proportional to 139,751,063.50, 192,853,884.45 and 76,171,950.58

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Solution

The fourth proportional to 139,751,063.50, 192,853,884.45 and 76,171,950.58 is: 105,115,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,751,063.50 : 192,853,884.45 = 76,171,950.58 : x
  2. Step 2: Convert to fraction form
    139,751,063.50/192,853,884.45 = 76,171,950.58/x
  3. Step 3: Cross multiply
    139,751,063.50x = 192,853,884.45 × 76,171,950.58
  4. Step 4: Simplify right side
    139,751,063.50x = 14,690,056,555,486,430
  5. Step 5: Solve for x
    x = 14,690,056,555,486,430/139,751,063.50
  6. Step 6: Final answer
    x = 105,115,883.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.