Home / 214,627,545.10-321,983,308.05-91,805,625.10

Finding the Fourth Proportional to 214,627,545.10, 321,983,308.05 and 91,805,625.10

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Solution

The fourth proportional to 214,627,545.10, 321,983,308.05 and 91,805,625.10 is: 137,726,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,627,545.10 : 321,983,308.05 = 91,805,625.10 : x
  2. Step 2: Convert to fraction form
    214,627,545.10/321,983,308.05 = 91,805,625.10/x
  3. Step 3: Cross multiply
    214,627,545.10x = 321,983,308.05 × 91,805,625.10
  4. Step 4: Simplify right side
    214,627,545.10x = 29,559,878,867,296,112
  5. Step 5: Solve for x
    x = 29,559,878,867,296,112/214,627,545.10
  6. Step 6: Final answer
    x = 137,726,398.79

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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.