Home / 98,319,327,513.49-135,679,228,006.15-54,916,245,786.42

Finding the Fourth Proportional to 98,319,327,513.49, 135,679,228,006.15 and 54,916,245,786.42

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Solution

The fourth proportional to 98,319,327,513.49, 135,679,228,006.15 and 54,916,245,786.42 is: 75,783,612,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,319,327,513.49 : 135,679,228,006.15 = 54,916,245,786.42 : x
  2. Step 2: Convert to fraction form
    98,319,327,513.49/135,679,228,006.15 = 54,916,245,786.42/x
  3. Step 3: Cross multiply
    98,319,327,513.49x = 135,679,228,006.15 × 54,916,245,786.42
  4. Step 4: Simplify right side
    98,319,327,513.49x = 7,450,993,833,297,453,252,608
  5. Step 5: Solve for x
    x = 7,450,993,833,297,453,252,608/98,319,327,513.49
  6. Step 6: Final answer
    x = 75,783,612,660.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.