Home / 78,758,080.71-108,686,171.07-43,475,906.31

Finding the Fourth Proportional to 78,758,080.71, 108,686,171.07 and 43,475,906.31

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Solution

The fourth proportional to 78,758,080.71, 108,686,171.07 and 43,475,906.31 is: 59,996,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,758,080.71 : 108,686,171.07 = 43,475,906.31 : x
  2. Step 2: Convert to fraction form
    78,758,080.71/108,686,171.07 = 43,475,906.31/x
  3. Step 3: Cross multiply
    78,758,080.71x = 108,686,171.07 × 43,475,906.31
  4. Step 4: Simplify right side
    78,758,080.71x = 4,725,229,790,631,952
  5. Step 5: Solve for x
    x = 4,725,229,790,631,952/78,758,080.71
  6. Step 6: Final answer
    x = 59,996,761.58

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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.