Home / 87,792,138.60-131,464,259.10-69,876,234.60

Finding the Fourth Proportional to 87,792,138.60, 131,464,259.10 and 69,876,234.60

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Solution

The fourth proportional to 87,792,138.60, 131,464,259.10 and 69,876,234.60 is: 104,636,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792,138.60 : 131,464,259.10 = 69,876,234.60 : x
  2. Step 2: Convert to fraction form
    87,792,138.60/131,464,259.10 = 69,876,234.60/x
  3. Step 3: Cross multiply
    87,792,138.60x = 131,464,259.10 × 69,876,234.60
  4. Step 4: Simplify right side
    87,792,138.60x = 9,186,227,410,386,784
  5. Step 5: Solve for x
    x = 9,186,227,410,386,784/87,792,138.60
  6. Step 6: Final answer
    x = 104,636,104.75

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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.