Home / 87,792,129.60-131,464,245.60-69,876,225.60

Finding the Fourth Proportional to 87,792,129.60, 131,464,245.60 and 69,876,225.60

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Solution

The fourth proportional to 87,792,129.60, 131,464,245.60 and 69,876,225.60 is: 104,636,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792,129.60 : 131,464,245.60 = 69,876,225.60 : x
  2. Step 2: Convert to fraction form
    87,792,129.60/131,464,245.60 = 69,876,225.60/x
  3. Step 3: Cross multiply
    87,792,129.60x = 131,464,245.60 × 69,876,225.60
  4. Step 4: Simplify right side
    87,792,129.60x = 9,186,225,283,879,406
  5. Step 5: Solve for x
    x = 9,186,225,283,879,406/87,792,129.60
  6. Step 6: Final answer
    x = 104,636,091.25

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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.