Home / 90,815,404,935.75-136,191,561,387.64-50,539,719,072.40

Finding the Fourth Proportional to 90,815,404,935.75, 136,191,561,387.64 and 50,539,719,072.40

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Solution

The fourth proportional to 90,815,404,935.75, 136,191,561,387.64 and 50,539,719,072.40 is: 75,792,022,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,815,404,935.75 : 136,191,561,387.64 = 50,539,719,072.40 : x
  2. Step 2: Convert to fraction form
    90,815,404,935.75/136,191,561,387.64 = 50,539,719,072.40/x
  3. Step 3: Cross multiply
    90,815,404,935.75x = 136,191,561,387.64 × 50,539,719,072.40
  4. Step 4: Simplify right side
    90,815,404,935.75x = 6,883,083,252,562,436,030,464
  5. Step 5: Solve for x
    x = 6,883,083,252,562,436,030,464/90,815,404,935.75
  6. Step 6: Final answer
    x = 75,792,022,922.02

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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.