Home / 79,627,686.23-109,904,129.03-52,109,671.25

Finding the Fourth Proportional to 79,627,686.23, 109,904,129.03 and 52,109,671.25

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Solution

The fourth proportional to 79,627,686.23, 109,904,129.03 and 52,109,671.25 is: 71,923,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,627,686.23 : 109,904,129.03 = 52,109,671.25 : x
  2. Step 2: Convert to fraction form
    79,627,686.23/109,904,129.03 = 52,109,671.25/x
  3. Step 3: Cross multiply
    79,627,686.23x = 109,904,129.03 × 52,109,671.25
  4. Step 4: Simplify right side
    79,627,686.23x = 5,727,068,032,770,881
  5. Step 5: Solve for x
    x = 5,727,068,032,770,881/79,627,686.23
  6. Step 6: Final answer
    x = 71,923,074.80

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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.