Home / 89,661,754.80-134,492,632.20-53,382,049.20

Finding the Fourth Proportional to 89,661,754.80, 134,492,632.20 and 53,382,049.20

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Solution

The fourth proportional to 89,661,754.80, 134,492,632.20 and 53,382,049.20 is: 80,073,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,661,754.80 : 134,492,632.20 = 53,382,049.20 : x
  2. Step 2: Convert to fraction form
    89,661,754.80/134,492,632.20 = 53,382,049.20/x
  3. Step 3: Cross multiply
    89,661,754.80x = 134,492,632.20 × 53,382,049.20
  4. Step 4: Simplify right side
    89,661,754.80x = 7,179,492,309,137,904
  5. Step 5: Solve for x
    x = 7,179,492,309,137,904/89,661,754.80
  6. Step 6: Final answer
    x = 80,073,073.80

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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.