Home / 84,165,715.44-126,136,963.26-43,223,500.80

Finding the Fourth Proportional to 84,165,715.44, 126,136,963.26 and 43,223,500.80

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Solution

The fourth proportional to 84,165,715.44, 126,136,963.26 and 43,223,500.80 is: 64,777,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165,715.44 : 126,136,963.26 = 43,223,500.80 : x
  2. Step 2: Convert to fraction form
    84,165,715.44/126,136,963.26 = 43,223,500.80/x
  3. Step 3: Cross multiply
    84,165,715.44x = 126,136,963.26 × 43,223,500.80
  4. Step 4: Simplify right side
    84,165,715.44x = 5,452,081,132,378,180
  5. Step 5: Solve for x
    x = 5,452,081,132,378,180/84,165,715.44
  6. Step 6: Final answer
    x = 64,777,933.67

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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.