Home / 100,642,533-150,946,982.76-27,866,670.30

Finding the Fourth Proportional to 100,642,533, 150,946,982.76 and 27,866,670.30

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Solution

The fourth proportional to 100,642,533, 150,946,982.76 and 27,866,670.30 is: 41,795,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,642,533 : 150,946,982.76 = 27,866,670.30 : x
  2. Step 2: Convert to fraction form
    100,642,533/150,946,982.76 = 27,866,670.30/x
  3. Step 3: Cross multiply
    100,642,533x = 150,946,982.76 × 27,866,670.30
  4. Step 4: Simplify right side
    100,642,533x = 4,206,389,801,352,704
  5. Step 5: Solve for x
    x = 4,206,389,801,352,704/100,642,533
  6. Step 6: Final answer
    x = 41,795,349.10

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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.