Home / 81,667,163,026.80-122,500,744,540.20-19,628,866,450.80

Finding the Fourth Proportional to 81,667,163,026.80, 122,500,744,540.20 and 19,628,866,450.80

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Solution

The fourth proportional to 81,667,163,026.80, 122,500,744,540.20 and 19,628,866,450.80 is: 29,443,299,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,667,163,026.80 : 122,500,744,540.20 = 19,628,866,450.80 : x
  2. Step 2: Convert to fraction form
    81,667,163,026.80/122,500,744,540.20 = 19,628,866,450.80/x
  3. Step 3: Cross multiply
    81,667,163,026.80x = 122,500,744,540.20 × 19,628,866,450.80
  4. Step 4: Simplify right side
    81,667,163,026.80x = 2,404,550,754,703,153,037,312
  5. Step 5: Solve for x
    x = 2,404,550,754,703,153,037,312/81,667,163,026.80
  6. Step 6: Final answer
    x = 29,443,299,676.20

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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.