Home / 154,647,623.87-231,818,210.56-72,619,664.00

Finding the Fourth Proportional to 154,647,623.87, 231,818,210.56 and 72,619,664.00

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Solution

The fourth proportional to 154,647,623.87, 231,818,210.56 and 72,619,664.00 is: 108,857,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,647,623.87 : 231,818,210.56 = 72,619,664.00 : x
  2. Step 2: Convert to fraction form
    154,647,623.87/231,818,210.56 = 72,619,664.00/x
  3. Step 3: Cross multiply
    154,647,623.87x = 231,818,210.56 × 72,619,664.00
  4. Step 4: Simplify right side
    154,647,623.87x = 16,834,560,560,346,448
  5. Step 5: Solve for x
    x = 16,834,560,560,346,448/154,647,623.87
  6. Step 6: Final answer
    x = 108,857,544.26

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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.