Home / 74,509,728,931.20-111,764,593,396.80-59,816,448,163.20

Finding the Fourth Proportional to 74,509,728,931.20, 111,764,593,396.80 and 59,816,448,163.20

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Solution

The fourth proportional to 74,509,728,931.20, 111,764,593,396.80 and 59,816,448,163.20 is: 89,724,672,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,509,728,931.20 : 111,764,593,396.80 = 59,816,448,163.20 : x
  2. Step 2: Convert to fraction form
    74,509,728,931.20/111,764,593,396.80 = 59,816,448,163.20/x
  3. Step 3: Cross multiply
    74,509,728,931.20x = 111,764,593,396.80 × 59,816,448,163.20
  4. Step 4: Simplify right side
    74,509,728,931.20x = 6,685,361,007,400,811,757,568
  5. Step 5: Solve for x
    x = 6,685,361,007,400,811,757,568/74,509,728,931.20
  6. Step 6: Final answer
    x = 89,724,672,244.80

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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.