Home / 78,940,321.02-118,409,138.55-23,608,282.50

Finding the Fourth Proportional to 78,940,321.02, 118,409,138.55 and 23,608,282.50

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Solution

The fourth proportional to 78,940,321.02, 118,409,138.55 and 23,608,282.50 is: 35,412,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940,321.02 : 118,409,138.55 = 23,608,282.50 : x
  2. Step 2: Convert to fraction form
    78,940,321.02/118,409,138.55 = 23,608,282.50/x
  3. Step 3: Cross multiply
    78,940,321.02x = 118,409,138.55 × 23,608,282.50
  4. Step 4: Simplify right side
    78,940,321.02x = 2,795,436,393,470,040.50
  5. Step 5: Solve for x
    x = 2,795,436,393,470,040.50/78,940,321.02
  6. Step 6: Final answer
    x = 35,412,022.11

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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.