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Finding the Fourth Proportional to 86,733,504,039.30, 129,855,368,046.15 and 86,733,504,039.30

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Solution

The fourth proportional to 86,733,504,039.30, 129,855,368,046.15 and 86,733,504,039.30 is: 129,855,368,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733,504,039.30 : 129,855,368,046.15 = 86,733,504,039.30 : x
  2. Step 2: Convert to fraction form
    86,733,504,039.30/129,855,368,046.15 = 86,733,504,039.30/x
  3. Step 3: Cross multiply
    86,733,504,039.30x = 129,855,368,046.15 × 86,733,504,039.30
  4. Step 4: Simplify right side
    86,733,504,039.30x = 11,262,811,088,955,539,193,856
  5. Step 5: Solve for x
    x = 11,262,811,088,955,539,193,856/86,733,504,039.30
  6. Step 6: Final answer
    x = 129,855,368,046.15

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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.