Home / 90,623,963.80-135,989,089.80-33,122,047.60

Finding the Fourth Proportional to 90,623,963.80, 135,989,089.80 and 33,122,047.60

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Solution

The fourth proportional to 90,623,963.80, 135,989,089.80 and 33,122,047.60 is: 49,702,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623,963.80 : 135,989,089.80 = 33,122,047.60 : x
  2. Step 2: Convert to fraction form
    90,623,963.80/135,989,089.80 = 33,122,047.60/x
  3. Step 3: Cross multiply
    90,623,963.80x = 135,989,089.80 × 33,122,047.60
  4. Step 4: Simplify right side
    90,623,963.80x = 4,504,237,105,436,275
  5. Step 5: Solve for x
    x = 4,504,237,105,436,275/90,623,963.80
  6. Step 6: Final answer
    x = 49,702,494.98

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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.