Home / 68,995,475,998.80-103,493,213,998.20-57,217,893,133.20

Finding the Fourth Proportional to 68,995,475,998.80, 103,493,213,998.20 and 57,217,893,133.20

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Solution

The fourth proportional to 68,995,475,998.80, 103,493,213,998.20 and 57,217,893,133.20 is: 85,826,839,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,995,475,998.80 : 103,493,213,998.20 = 57,217,893,133.20 : x
  2. Step 2: Convert to fraction form
    68,995,475,998.80/103,493,213,998.20 = 57,217,893,133.20/x
  3. Step 3: Cross multiply
    68,995,475,998.80x = 103,493,213,998.20 × 57,217,893,133.20
  4. Step 4: Simplify right side
    68,995,475,998.80x = 5,921,663,658,560,405,372,928
  5. Step 5: Solve for x
    x = 5,921,663,658,560,405,372,928/68,995,475,998.80
  6. Step 6: Final answer
    x = 85,826,839,699.80

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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.