Home / 101,711,519.92-140,360,243.88-55,302,942.52

Finding the Fourth Proportional to 101,711,519.92, 140,360,243.88 and 55,302,942.52

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Solution

The fourth proportional to 101,711,519.92, 140,360,243.88 and 55,302,942.52 is: 76,317,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711,519.92 : 140,360,243.88 = 55,302,942.52 : x
  2. Step 2: Convert to fraction form
    101,711,519.92/140,360,243.88 = 55,302,942.52/x
  3. Step 3: Cross multiply
    101,711,519.92x = 140,360,243.88 × 55,302,942.52
  4. Step 4: Simplify right side
    101,711,519.92x = 7,762,334,499,388,822
  5. Step 5: Solve for x
    x = 7,762,334,499,388,822/101,711,519.92
  6. Step 6: Final answer
    x = 76,317,161.57

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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.