Home / 85,439,212.52-117,906,679.37-46,280,989.25

Finding the Fourth Proportional to 85,439,212.52, 117,906,679.37 and 46,280,989.25

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Solution

The fourth proportional to 85,439,212.52, 117,906,679.37 and 46,280,989.25 is: 63,868,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,212.52 : 117,906,679.37 = 46,280,989.25 : x
  2. Step 2: Convert to fraction form
    85,439,212.52/117,906,679.37 = 46,280,989.25/x
  3. Step 3: Cross multiply
    85,439,212.52x = 117,906,679.37 × 46,280,989.25
  4. Step 4: Simplify right side
    85,439,212.52x = 5,456,837,759,952,336
  5. Step 5: Solve for x
    x = 5,456,837,759,952,336/85,439,212.52
  6. Step 6: Final answer
    x = 63,868,071.81

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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.