Home / 76,616,045.91-105,729,272.36-41,809,328.55

Finding the Fourth Proportional to 76,616,045.91, 105,729,272.36 and 41,809,328.55

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Solution

The fourth proportional to 76,616,045.91, 105,729,272.36 and 41,809,328.55 is: 57,696,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,045.91 : 105,729,272.36 = 41,809,328.55 : x
  2. Step 2: Convert to fraction form
    76,616,045.91/105,729,272.36 = 41,809,328.55/x
  3. Step 3: Cross multiply
    76,616,045.91x = 105,729,272.36 × 41,809,328.55
  4. Step 4: Simplify right side
    76,616,045.91x = 4,420,469,885,399,412
  5. Step 5: Solve for x
    x = 4,420,469,885,399,412/76,616,045.91
  6. Step 6: Final answer
    x = 57,696,398.10

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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.