Home / 157,668,727.20-236,342,127.60-106,555,912.80

Finding the Fourth Proportional to 157,668,727.20, 236,342,127.60 and 106,555,912.80

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Solution

The fourth proportional to 157,668,727.20, 236,342,127.60 and 106,555,912.80 is: 159,725,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,668,727.20 : 236,342,127.60 = 106,555,912.80 : x
  2. Step 2: Convert to fraction form
    157,668,727.20/236,342,127.60 = 106,555,912.80/x
  3. Step 3: Cross multiply
    157,668,727.20x = 236,342,127.60 × 106,555,912.80
  4. Step 4: Simplify right side
    157,668,727.20x = 25,183,651,139,512,072
  5. Step 5: Solve for x
    x = 25,183,651,139,512,072/157,668,727.20
  6. Step 6: Final answer
    x = 159,725,086.81

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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.