Home / 81,667,163,045.80-122,500,744,568.70-19,628,866,469.80

Finding the Fourth Proportional to 81,667,163,045.80, 122,500,744,568.70 and 19,628,866,469.80

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Solution

The fourth proportional to 81,667,163,045.80, 122,500,744,568.70 and 19,628,866,469.80 is: 29,443,299,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,667,163,045.80 : 122,500,744,568.70 = 19,628,866,469.80 : x
  2. Step 2: Convert to fraction form
    81,667,163,045.80/122,500,744,568.70 = 19,628,866,469.80/x
  3. Step 3: Cross multiply
    81,667,163,045.80x = 122,500,744,568.70 × 19,628,866,469.80
  4. Step 4: Simplify right side
    81,667,163,045.80x = 2,404,550,757,590,089,859,072
  5. Step 5: Solve for x
    x = 2,404,550,757,590,089,859,072/81,667,163,045.80
  6. Step 6: Final answer
    x = 29,443,299,704.70

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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.