Home / 70,858,974,022.40-106,303,766,534.40-21,177,318,425.60

Finding the Fourth Proportional to 70,858,974,022.40, 106,303,766,534.40 and 21,177,318,425.60

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Solution

The fourth proportional to 70,858,974,022.40, 106,303,766,534.40 and 21,177,318,425.60 is: 31,770,551,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858,974,022.40 : 106,303,766,534.40 = 21,177,318,425.60 : x
  2. Step 2: Convert to fraction form
    70,858,974,022.40/106,303,766,534.40 = 21,177,318,425.60/x
  3. Step 3: Cross multiply
    70,858,974,022.40x = 106,303,766,534.40 × 21,177,318,425.60
  4. Step 4: Simplify right side
    70,858,974,022.40x = 2,251,228,713,739,629,363,200
  5. Step 5: Solve for x
    x = 2,251,228,713,739,629,363,200/70,858,974,022.40
  6. Step 6: Final answer
    x = 31,770,551,927.95

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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.