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Finding the Fourth Proportional to 91,945,203,019.20, 137,917,804,528.80 and 91,945,203,019.20

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Solution

The fourth proportional to 91,945,203,019.20, 137,917,804,528.80 and 91,945,203,019.20 is: 137,917,804,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,945,203,019.20 : 137,917,804,528.80 = 91,945,203,019.20 : x
  2. Step 2: Convert to fraction form
    91,945,203,019.20/137,917,804,528.80 = 91,945,203,019.20/x
  3. Step 3: Cross multiply
    91,945,203,019.20x = 137,917,804,528.80 × 91,945,203,019.20
  4. Step 4: Simplify right side
    91,945,203,019.20x = 12,680,880,537,362,856,148,992
  5. Step 5: Solve for x
    x = 12,680,880,537,362,856,148,992/91,945,203,019.20
  6. Step 6: Final answer
    x = 137,917,804,528.80

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1.5x scale

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.