Home / 51,057,469.25-76,187,985.16-45,554,736.78

Finding the Fourth Proportional to 51,057,469.25, 76,187,985.16 and 45,554,736.78

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Solution

The fourth proportional to 51,057,469.25, 76,187,985.16 and 45,554,736.78 is: 67,976,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,057,469.25 : 76,187,985.16 = 45,554,736.78 : x
  2. Step 2: Convert to fraction form
    51,057,469.25/76,187,985.16 = 45,554,736.78/x
  3. Step 3: Cross multiply
    51,057,469.25x = 76,187,985.16 × 45,554,736.78
  4. Step 4: Simplify right side
    51,057,469.25x = 3,470,723,609,648,459.50
  5. Step 5: Solve for x
    x = 3,470,723,609,648,459.50/51,057,469.25
  6. Step 6: Final answer
    x = 67,976,804.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.