Home / 78,502,452.39-108,333,389.25-43,694,395.56

Finding the Fourth Proportional to 78,502,452.39, 108,333,389.25 and 43,694,395.56

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Solution

The fourth proportional to 78,502,452.39, 108,333,389.25 and 43,694,395.56 is: 60,298,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,502,452.39 : 108,333,389.25 = 43,694,395.56 : x
  2. Step 2: Convert to fraction form
    78,502,452.39/108,333,389.25 = 43,694,395.56/x
  3. Step 3: Cross multiply
    78,502,452.39x = 108,333,389.25 × 43,694,395.56
  4. Step 4: Simplify right side
    78,502,452.39x = 4,733,561,962,244,952
  5. Step 5: Solve for x
    x = 4,733,561,962,244,952/78,502,452.39
  6. Step 6: Final answer
    x = 60,298,268.63

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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.