Home / 78,270,458.52-108,013,571.82-43,463,042.04

Finding the Fourth Proportional to 78,270,458.52, 108,013,571.82 and 43,463,042.04

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Solution

The fourth proportional to 78,270,458.52, 108,013,571.82 and 43,463,042.04 is: 59,979,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,270,458.52 : 108,013,571.82 = 43,463,042.04 : x
  2. Step 2: Convert to fraction form
    78,270,458.52/108,013,571.82 = 43,463,042.04/x
  3. Step 3: Cross multiply
    78,270,458.52x = 108,013,571.82 × 43,463,042.04
  4. Step 4: Simplify right side
    78,270,458.52x = 4,694,598,412,903,219
  5. Step 5: Solve for x
    x = 4,694,598,412,903,219/78,270,458.52
  6. Step 6: Final answer
    x = 59,979,186.29

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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.