Home / 152,045,669,712.67-209,823,231,984.09-82,521,311,647.61

Finding the Fourth Proportional to 152,045,669,712.67, 209,823,231,984.09 and 82,521,311,647.61

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Solution

The fourth proportional to 152,045,669,712.67, 209,823,231,984.09 and 82,521,311,647.61 is: 113,879,522,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045,669,712.67 : 209,823,231,984.09 = 82,521,311,647.61 : x
  2. Step 2: Convert to fraction form
    152,045,669,712.67/209,823,231,984.09 = 82,521,311,647.61/x
  3. Step 3: Cross multiply
    152,045,669,712.67x = 209,823,231,984.09 × 82,521,311,647.61
  4. Step 4: Simplify right side
    152,045,669,712.67x = 17,314,888,317,466,811,826,176
  5. Step 5: Solve for x
    x = 17,314,888,317,466,811,826,176/152,045,669,712.67
  6. Step 6: Final answer
    x = 113,879,522,844.60

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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.