Home / 149,417,999.90-224,126,999.85-91,723,190.30

Finding the Fourth Proportional to 149,417,999.90, 224,126,999.85 and 91,723,190.30

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Solution

The fourth proportional to 149,417,999.90, 224,126,999.85 and 91,723,190.30 is: 137,584,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,417,999.90 : 224,126,999.85 = 91,723,190.30 : x
  2. Step 2: Convert to fraction form
    149,417,999.90/224,126,999.85 = 91,723,190.30/x
  3. Step 3: Cross multiply
    149,417,999.90x = 224,126,999.85 × 91,723,190.30
  4. Step 4: Simplify right side
    149,417,999.90x = 20,557,643,458,609,620
  5. Step 5: Solve for x
    x = 20,557,643,458,609,620/149,417,999.90
  6. Step 6: Final answer
    x = 137,584,785.45

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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.