Home / 41,131,057.80-61,696,586.70-20,975,665.80

Finding the Fourth Proportional to 41,131,057.80, 61,696,586.70 and 20,975,665.80

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Solution

The fourth proportional to 41,131,057.80, 61,696,586.70 and 20,975,665.80 is: 31,463,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131,057.80 : 61,696,586.70 = 20,975,665.80 : x
  2. Step 2: Convert to fraction form
    41,131,057.80/61,696,586.70 = 20,975,665.80/x
  3. Step 3: Cross multiply
    41,131,057.80x = 61,696,586.70 × 20,975,665.80
  4. Step 4: Simplify right side
    41,131,057.80x = 1,294,126,983,619,925
  5. Step 5: Solve for x
    x = 1,294,126,983,619,925/41,131,057.80
  6. Step 6: Final answer
    x = 31,463,498.70

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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.