Home / 121,507,716.92-167,627,214.53-71,246,280.66

Finding the Fourth Proportional to 121,507,716.92, 167,627,214.53 and 71,246,280.66

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Solution

The fourth proportional to 121,507,716.92, 167,627,214.53 and 71,246,280.66 is: 98,288,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507,716.92 : 167,627,214.53 = 71,246,280.66 : x
  2. Step 2: Convert to fraction form
    121,507,716.92/167,627,214.53 = 71,246,280.66/x
  3. Step 3: Cross multiply
    121,507,716.92x = 167,627,214.53 × 71,246,280.66
  4. Step 4: Simplify right side
    121,507,716.92x = 11,942,815,573,284,768
  5. Step 5: Solve for x
    x = 11,942,815,573,284,768/121,507,716.92
  6. Step 6: Final answer
    x = 98,288,535.71

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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.