Home / 54,377,359.70-81,566,039.55-31,387,615.70

Finding the Fourth Proportional to 54,377,359.70, 81,566,039.55 and 31,387,615.70

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Solution

The fourth proportional to 54,377,359.70, 81,566,039.55 and 31,387,615.70 is: 47,081,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377,359.70 : 81,566,039.55 = 31,387,615.70 : x
  2. Step 2: Convert to fraction form
    54,377,359.70/81,566,039.55 = 31,387,615.70/x
  3. Step 3: Cross multiply
    54,377,359.70x = 81,566,039.55 × 31,387,615.70
  4. Step 4: Simplify right side
    54,377,359.70x = 2,560,163,503,566,401
  5. Step 5: Solve for x
    x = 2,560,163,503,566,401/54,377,359.70
  6. Step 6: Final answer
    x = 47,081,423.55

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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.