Home / 140,334,740.62-193,640,427.51-80,784,525.75

Finding the Fourth Proportional to 140,334,740.62, 193,640,427.51 and 80,784,525.75

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Solution

The fourth proportional to 140,334,740.62, 193,640,427.51 and 80,784,525.75 is: 111,470,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334,740.62 : 193,640,427.51 = 80,784,525.75 : x
  2. Step 2: Convert to fraction form
    140,334,740.62/193,640,427.51 = 80,784,525.75/x
  3. Step 3: Cross multiply
    140,334,740.62x = 193,640,427.51 × 80,784,525.75
  4. Step 4: Simplify right side
    140,334,740.62x = 15,643,150,102,393,232
  5. Step 5: Solve for x
    x = 15,643,150,102,393,232/140,334,740.62
  6. Step 6: Final answer
    x = 111,470,260.56

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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.