Home / 77,981,403.36-116,889,161.04-29,438,634.72

Finding the Fourth Proportional to 77,981,403.36, 116,889,161.04 and 29,438,634.72

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Solution

The fourth proportional to 77,981,403.36, 116,889,161.04 and 29,438,634.72 is: 44,126,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,981,403.36 : 116,889,161.04 = 29,438,634.72 : x
  2. Step 2: Convert to fraction form
    77,981,403.36/116,889,161.04 = 29,438,634.72/x
  3. Step 3: Cross multiply
    77,981,403.36x = 116,889,161.04 × 29,438,634.72
  4. Step 4: Simplify right side
    77,981,403.36x = 3,441,057,314,583,815.50
  5. Step 5: Solve for x
    x = 3,441,057,314,583,815.50/77,981,403.36
  6. Step 6: Final answer
    x = 44,126,640.02

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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.