Home / 78,463,850.10-108,295,103.97-51,955,448.46

Finding the Fourth Proportional to 78,463,850.10, 108,295,103.97 and 51,955,448.46

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Solution

The fourth proportional to 78,463,850.10, 108,295,103.97 and 51,955,448.46 is: 71,708,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463,850.10 : 108,295,103.97 = 51,955,448.46 : x
  2. Step 2: Convert to fraction form
    78,463,850.10/108,295,103.97 = 51,955,448.46/x
  3. Step 3: Cross multiply
    78,463,850.10x = 108,295,103.97 × 51,955,448.46
  4. Step 4: Simplify right side
    78,463,850.10x = 5,626,520,692,783,676
  5. Step 5: Solve for x
    x = 5,626,520,692,783,676/78,463,850.10
  6. Step 6: Final answer
    x = 71,708,445.17

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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.