Home / 72,766,269,546.40-109,149,404,319.60-17,621,117,034.40

Finding the Fourth Proportional to 72,766,269,546.40, 109,149,404,319.60 and 17,621,117,034.40

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Solution

The fourth proportional to 72,766,269,546.40, 109,149,404,319.60 and 17,621,117,034.40 is: 26,431,675,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,766,269,546.40 : 109,149,404,319.60 = 17,621,117,034.40 : x
  2. Step 2: Convert to fraction form
    72,766,269,546.40/109,149,404,319.60 = 17,621,117,034.40/x
  3. Step 3: Cross multiply
    72,766,269,546.40x = 109,149,404,319.60 × 17,621,117,034.40
  4. Step 4: Simplify right side
    72,766,269,546.40x = 1,923,334,427,750,716,669,952
  5. Step 5: Solve for x
    x = 1,923,334,427,750,716,669,952/72,766,269,546.40
  6. Step 6: Final answer
    x = 26,431,675,551.60

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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.