Home / 89,382,728.80-134,061,651.60-28,804,578.40

Finding the Fourth Proportional to 89,382,728.80, 134,061,651.60 and 28,804,578.40

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Solution

The fourth proportional to 89,382,728.80, 134,061,651.60 and 28,804,578.40 is: 43,202,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382,728.80 : 134,061,651.60 = 28,804,578.40 : x
  2. Step 2: Convert to fraction form
    89,382,728.80/134,061,651.60 = 28,804,578.40/x
  3. Step 3: Cross multiply
    89,382,728.80x = 134,061,651.60 × 28,804,578.40
  4. Step 4: Simplify right side
    89,382,728.80x = 3,861,589,353,945,685
  5. Step 5: Solve for x
    x = 3,861,589,353,945,685/89,382,728.80
  6. Step 6: Final answer
    x = 43,202,858.16

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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.