Home / 123,786,200.54-170,821,344.35-70,861,153.85

Finding the Fourth Proportional to 123,786,200.54, 170,821,344.35 and 70,861,153.85

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Solution

The fourth proportional to 123,786,200.54, 170,821,344.35 and 70,861,153.85 is: 97,786,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,786,200.54 : 170,821,344.35 = 70,861,153.85 : x
  2. Step 2: Convert to fraction form
    123,786,200.54/170,821,344.35 = 70,861,153.85/x
  3. Step 3: Cross multiply
    123,786,200.54x = 170,821,344.35 × 70,861,153.85
  4. Step 4: Simplify right side
    123,786,200.54x = 12,104,597,562,494,872
  5. Step 5: Solve for x
    x = 12,104,597,562,494,872/123,786,200.54
  6. Step 6: Final answer
    x = 97,786,324.40

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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.