Home / 218,282,922.40-327,424,383.60-130,984,880.80

Finding the Fourth Proportional to 218,282,922.40, 327,424,383.60 and 130,984,880.80

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Solution

The fourth proportional to 218,282,922.40, 327,424,383.60 and 130,984,880.80 is: 196,477,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,282,922.40 : 327,424,383.60 = 130,984,880.80 : x
  2. Step 2: Convert to fraction form
    218,282,922.40/327,424,383.60 = 130,984,880.80/x
  3. Step 3: Cross multiply
    218,282,922.40x = 327,424,383.60 × 130,984,880.80
  4. Step 4: Simplify right side
    218,282,922.40x = 42,887,643,856,859,480
  5. Step 5: Solve for x
    x = 42,887,643,856,859,480/218,282,922.40
  6. Step 6: Final answer
    x = 196,477,321.20

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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.