Home / 81,640,023.60-122,292,073.80-41,273,252.40

Finding the Fourth Proportional to 81,640,023.60, 122,292,073.80 and 41,273,252.40

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Solution

The fourth proportional to 81,640,023.60, 122,292,073.80 and 41,273,252.40 is: 61,824,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,640,023.60 : 122,292,073.80 = 41,273,252.40 : x
  2. Step 2: Convert to fraction form
    81,640,023.60/122,292,073.80 = 41,273,252.40/x
  3. Step 3: Cross multiply
    81,640,023.60x = 122,292,073.80 × 41,273,252.40
  4. Step 4: Simplify right side
    81,640,023.60x = 5,047,391,628,466,827
  5. Step 5: Solve for x
    x = 5,047,391,628,466,827/81,640,023.60
  6. Step 6: Final answer
    x = 61,824,965.33

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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.