Home / 54,128,423.80-81,192,635.70-50,939,777.80

Finding the Fourth Proportional to 54,128,423.80, 81,192,635.70 and 50,939,777.80

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Solution

The fourth proportional to 54,128,423.80, 81,192,635.70 and 50,939,777.80 is: 76,409,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,423.80 : 81,192,635.70 = 50,939,777.80 : x
  2. Step 2: Convert to fraction form
    54,128,423.80/81,192,635.70 = 50,939,777.80/x
  3. Step 3: Cross multiply
    54,128,423.80x = 81,192,635.70 × 50,939,777.80
  4. Step 4: Simplify right side
    54,128,423.80x = 4,135,934,821,554,347.50
  5. Step 5: Solve for x
    x = 4,135,934,821,554,347.50/54,128,423.80
  6. Step 6: Final answer
    x = 76,409,666.70

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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.