Home / 100,642,531.24-150,946,980.16-27,866,668.60

Finding the Fourth Proportional to 100,642,531.24, 150,946,980.16 and 27,866,668.60

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Solution

The fourth proportional to 100,642,531.24, 150,946,980.16 and 27,866,668.60 is: 41,795,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,642,531.24 : 150,946,980.16 = 27,866,668.60 : x
  2. Step 2: Convert to fraction form
    100,642,531.24/150,946,980.16 = 27,866,668.60/x
  3. Step 3: Cross multiply
    100,642,531.24x = 150,946,980.16 × 27,866,668.60
  4. Step 4: Simplify right side
    100,642,531.24x = 4,206,389,472,289,495
  5. Step 5: Solve for x
    x = 4,206,389,472,289,495/100,642,531.24
  6. Step 6: Final answer
    x = 41,795,346.56

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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.