Home / 85,439,212.75-117,906,679.70-46,280,989.49

Finding the Fourth Proportional to 85,439,212.75, 117,906,679.70 and 46,280,989.49

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Solution

The fourth proportional to 85,439,212.75, 117,906,679.70 and 46,280,989.49 is: 63,868,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,212.75 : 117,906,679.70 = 46,280,989.49 : x
  2. Step 2: Convert to fraction form
    85,439,212.75/117,906,679.70 = 46,280,989.49/x
  3. Step 3: Cross multiply
    85,439,212.75x = 117,906,679.70 × 46,280,989.49
  4. Step 4: Simplify right side
    85,439,212.75x = 5,456,837,804,272,436
  5. Step 5: Solve for x
    x = 5,456,837,804,272,436/85,439,212.75
  6. Step 6: Final answer
    x = 63,868,072.15

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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.