Home / 78,940,322.09-118,409,140.15-23,608,283.57

Finding the Fourth Proportional to 78,940,322.09, 118,409,140.15 and 23,608,283.57

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Solution

The fourth proportional to 78,940,322.09, 118,409,140.15 and 23,608,283.57 is: 35,412,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940,322.09 : 118,409,140.15 = 23,608,283.57 : x
  2. Step 2: Convert to fraction form
    78,940,322.09/118,409,140.15 = 23,608,283.57/x
  3. Step 3: Cross multiply
    78,940,322.09x = 118,409,140.15 × 23,608,283.57
  4. Step 4: Simplify right side
    78,940,322.09x = 2,795,436,557,230,985.50
  5. Step 5: Solve for x
    x = 2,795,436,557,230,985.50/78,940,322.09
  6. Step 6: Final answer
    x = 35,412,023.71

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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.