Home / 77,696,091.60-116,544,137.40-71,145,589.20

Finding the Fourth Proportional to 77,696,091.60, 116,544,137.40 and 71,145,589.20

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Solution

The fourth proportional to 77,696,091.60, 116,544,137.40 and 71,145,589.20 is: 106,718,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,696,091.60 : 116,544,137.40 = 71,145,589.20 : x
  2. Step 2: Convert to fraction form
    77,696,091.60/116,544,137.40 = 71,145,589.20/x
  3. Step 3: Cross multiply
    77,696,091.60x = 116,544,137.40 × 71,145,589.20
  4. Step 4: Simplify right side
    77,696,091.60x = 8,291,601,323,128,757
  5. Step 5: Solve for x
    x = 8,291,601,323,128,757/77,696,091.60
  6. Step 6: Final answer
    x = 106,718,383.80

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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.