Home / 89,785,438.10-134,489,200.35-74,668,894.10

Finding the Fourth Proportional to 89,785,438.10, 134,489,200.35 and 74,668,894.10

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Solution

The fourth proportional to 89,785,438.10, 134,489,200.35 and 74,668,894.10 is: 111,846,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,785,438.10 : 134,489,200.35 = 74,668,894.10 : x
  2. Step 2: Convert to fraction form
    89,785,438.10/134,489,200.35 = 74,668,894.10/x
  3. Step 3: Cross multiply
    89,785,438.10x = 134,489,200.35 × 74,668,894.10
  4. Step 4: Simplify right side
    89,785,438.10x = 10,042,159,858,527,832
  5. Step 5: Solve for x
    x = 10,042,159,858,527,832/89,785,438.10
  6. Step 6: Final answer
    x = 111,846,197.68

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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.