Home / 89,629,769.20-134,444,653.80-44,280,137.20

Finding the Fourth Proportional to 89,629,769.20, 134,444,653.80 and 44,280,137.20

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Solution

The fourth proportional to 89,629,769.20, 134,444,653.80 and 44,280,137.20 is: 66,420,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,629,769.20 : 134,444,653.80 = 44,280,137.20 : x
  2. Step 2: Convert to fraction form
    89,629,769.20/134,444,653.80 = 44,280,137.20/x
  3. Step 3: Cross multiply
    89,629,769.20x = 134,444,653.80 × 44,280,137.20
  4. Step 4: Simplify right side
    89,629,769.20x = 5,953,227,716,070,502
  5. Step 5: Solve for x
    x = 5,953,227,716,070,502/89,629,769.20
  6. Step 6: Final answer
    x = 66,420,205.80

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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.