Home / 67,115,961.76-92,627,890.32-38,146,940.32

Finding the Fourth Proportional to 67,115,961.76, 92,627,890.32 and 38,146,940.32

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Solution

The fourth proportional to 67,115,961.76, 92,627,890.32 and 38,146,940.32 is: 52,647,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115,961.76 : 92,627,890.32 = 38,146,940.32 : x
  2. Step 2: Convert to fraction form
    67,115,961.76/92,627,890.32 = 38,146,940.32/x
  3. Step 3: Cross multiply
    67,115,961.76x = 92,627,890.32 × 38,146,940.32
  4. Step 4: Simplify right side
    67,115,961.76x = 3,533,470,604,004,545.50
  5. Step 5: Solve for x
    x = 3,533,470,604,004,545.50/67,115,961.76
  6. Step 6: Final answer
    x = 52,647,246.81

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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.