Home / 118,646,301.28-163,733,205.46-65,723,819.56

Finding the Fourth Proportional to 118,646,301.28, 163,733,205.46 and 65,723,819.56

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Solution

The fourth proportional to 118,646,301.28, 163,733,205.46 and 65,723,819.56 is: 90,699,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,646,301.28 : 163,733,205.46 = 65,723,819.56 : x
  2. Step 2: Convert to fraction form
    118,646,301.28/163,733,205.46 = 65,723,819.56/x
  3. Step 3: Cross multiply
    118,646,301.28x = 163,733,205.46 × 65,723,819.56
  4. Step 4: Simplify right side
    118,646,301.28x = 10,761,171,651,633,448
  5. Step 5: Solve for x
    x = 10,761,171,651,633,448/118,646,301.28
  6. Step 6: Final answer
    x = 90,699,596.49

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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.