Home / 77,161,339.33-116,203,911.35-70,273,863.97

Finding the Fourth Proportional to 77,161,339.33, 116,203,911.35 and 70,273,863.97

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Solution

The fourth proportional to 77,161,339.33, 116,203,911.35 and 70,273,863.97 is: 105,831,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,339.33 : 116,203,911.35 = 70,273,863.97 : x
  2. Step 2: Convert to fraction form
    77,161,339.33/116,203,911.35 = 70,273,863.97/x
  3. Step 3: Cross multiply
    77,161,339.33x = 116,203,911.35 × 70,273,863.97
  4. Step 4: Simplify right side
    77,161,339.33x = 8,166,097,858,991,839
  5. Step 5: Solve for x
    x = 8,166,097,858,991,839/77,161,339.33
  6. Step 6: Final answer
    x = 105,831,468.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.