Home / 89,800,205.80-134,700,308.70-68,276,845.30

Finding the Fourth Proportional to 89,800,205.80, 134,700,308.70 and 68,276,845.30

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Solution

The fourth proportional to 89,800,205.80, 134,700,308.70 and 68,276,845.30 is: 102,415,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,800,205.80 : 134,700,308.70 = 68,276,845.30 : x
  2. Step 2: Convert to fraction form
    89,800,205.80/134,700,308.70 = 68,276,845.30/x
  3. Step 3: Cross multiply
    89,800,205.80x = 134,700,308.70 × 68,276,845.30
  4. Step 4: Simplify right side
    89,800,205.80x = 9,196,912,138,972,142
  5. Step 5: Solve for x
    x = 9,196,912,138,972,142/89,800,205.80
  6. Step 6: Final answer
    x = 102,415,267.95

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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.