Home / 89,689,589.52-123,771,628.80-48,436,477.92

Finding the Fourth Proportional to 89,689,589.52, 123,771,628.80 and 48,436,477.92

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Solution

The fourth proportional to 89,689,589.52, 123,771,628.80 and 48,436,477.92 is: 66,842,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,689,589.52 : 123,771,628.80 = 48,436,477.92 : x
  2. Step 2: Convert to fraction form
    89,689,589.52/123,771,628.80 = 48,436,477.92/x
  3. Step 3: Cross multiply
    89,689,589.52x = 123,771,628.80 × 48,436,477.92
  4. Step 4: Simplify right side
    89,689,589.52x = 5,995,061,765,493,636
  5. Step 5: Solve for x
    x = 5,995,061,765,493,636/89,689,589.52
  6. Step 6: Final answer
    x = 66,842,336.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.