Home / 154,647,635.28-231,818,227.74-72,619,675.44

Finding the Fourth Proportional to 154,647,635.28, 231,818,227.74 and 72,619,675.44

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Solution

The fourth proportional to 154,647,635.28, 231,818,227.74 and 72,619,675.44 is: 108,857,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,647,635.28 : 231,818,227.74 = 72,619,675.44 : x
  2. Step 2: Convert to fraction form
    154,647,635.28/231,818,227.74 = 72,619,675.44/x
  3. Step 3: Cross multiply
    154,647,635.28x = 231,818,227.74 × 72,619,675.44
  4. Step 4: Simplify right side
    154,647,635.28x = 16,834,564,459,554,804
  5. Step 5: Solve for x
    x = 16,834,564,459,554,804/154,647,635.28
  6. Step 6: Final answer
    x = 108,857,561.44

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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.