Home / 40,090,683.75-55,325,179.02-21,755,969.25

Finding the Fourth Proportional to 40,090,683.75, 55,325,179.02 and 21,755,969.25

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Solution

The fourth proportional to 40,090,683.75, 55,325,179.02 and 21,755,969.25 is: 30,023,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,683.75 : 55,325,179.02 = 21,755,969.25 : x
  2. Step 2: Convert to fraction form
    40,090,683.75/55,325,179.02 = 21,755,969.25/x
  3. Step 3: Cross multiply
    40,090,683.75x = 55,325,179.02 × 21,755,969.25
  4. Step 4: Simplify right side
    40,090,683.75x = 1,203,652,893,509,865.25
  5. Step 5: Solve for x
    x = 1,203,652,893,509,865.25/40,090,683.75
  6. Step 6: Final answer
    x = 30,023,256.80

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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.