Home / 115,569,712.41-173,414,168.90-54,165,109.39

Finding the Fourth Proportional to 115,569,712.41, 173,414,168.90 and 54,165,109.39

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Solution

The fourth proportional to 115,569,712.41, 173,414,168.90 and 54,165,109.39 is: 81,275,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,569,712.41 : 173,414,168.90 = 54,165,109.39 : x
  2. Step 2: Convert to fraction form
    115,569,712.41/173,414,168.90 = 54,165,109.39/x
  3. Step 3: Cross multiply
    115,569,712.41x = 173,414,168.90 × 54,165,109.39
  4. Step 4: Simplify right side
    115,569,712.41x = 9,392,997,427,743,196
  5. Step 5: Solve for x
    x = 9,392,997,427,743,196/115,569,712.41
  6. Step 6: Final answer
    x = 81,275,597.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.