Home / 70,861,708.80-106,292,563.20-53,729,625.60

Finding the Fourth Proportional to 70,861,708.80, 106,292,563.20 and 53,729,625.60

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Solution

The fourth proportional to 70,861,708.80, 106,292,563.20 and 53,729,625.60 is: 80,594,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861,708.80 : 106,292,563.20 = 53,729,625.60 : x
  2. Step 2: Convert to fraction form
    70,861,708.80/106,292,563.20 = 53,729,625.60/x
  3. Step 3: Cross multiply
    70,861,708.80x = 106,292,563.20 × 53,729,625.60
  4. Step 4: Simplify right side
    70,861,708.80x = 5,711,059,624,800,338
  5. Step 5: Solve for x
    x = 5,711,059,624,800,338/70,861,708.80
  6. Step 6: Final answer
    x = 80,594,438.40

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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.