Home / 90,623,962.80-135,989,088.30-33,122,046.60

Finding the Fourth Proportional to 90,623,962.80, 135,989,088.30 and 33,122,046.60

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Solution

The fourth proportional to 90,623,962.80, 135,989,088.30 and 33,122,046.60 is: 49,702,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623,962.80 : 135,989,088.30 = 33,122,046.60 : x
  2. Step 2: Convert to fraction form
    90,623,962.80/135,989,088.30 = 33,122,046.60/x
  3. Step 3: Cross multiply
    90,623,962.80x = 135,989,088.30 × 33,122,046.60
  4. Step 4: Simplify right side
    90,623,962.80x = 4,504,236,919,764,115
  5. Step 5: Solve for x
    x = 4,504,236,919,764,115/90,623,962.80
  6. Step 6: Final answer
    x = 49,702,493.48

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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.