Home / 121,275,564.72-181,893,809.88-33,839,343.60

Finding the Fourth Proportional to 121,275,564.72, 181,893,809.88 and 33,839,343.60

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Solution

The fourth proportional to 121,275,564.72, 181,893,809.88 and 33,839,343.60 is: 50,753,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275,564.72 : 181,893,809.88 = 33,839,343.60 : x
  2. Step 2: Convert to fraction form
    121,275,564.72/181,893,809.88 = 33,839,343.60/x
  3. Step 3: Cross multiply
    121,275,564.72x = 181,893,809.88 × 33,839,343.60
  4. Step 4: Simplify right side
    121,275,564.72x = 6,155,167,131,242,395
  5. Step 5: Solve for x
    x = 6,155,167,131,242,395/121,275,564.72
  6. Step 6: Final answer
    x = 50,753,563.96

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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.