Home / 152,045,669,633.10-209,823,231,874.54-82,521,311,568.37

Finding the Fourth Proportional to 152,045,669,633.10, 209,823,231,874.54 and 82,521,311,568.37

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Solution

The fourth proportional to 152,045,669,633.10, 209,823,231,874.54 and 82,521,311,568.37 is: 113,879,522,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045,669,633.10 : 209,823,231,874.54 = 82,521,311,568.37 : x
  2. Step 2: Convert to fraction form
    152,045,669,633.10/209,823,231,874.54 = 82,521,311,568.37/x
  3. Step 3: Cross multiply
    152,045,669,633.10x = 209,823,231,874.54 × 82,521,311,568.37
  4. Step 4: Simplify right side
    152,045,669,633.10x = 17,314,888,291,800,210,997,248
  5. Step 5: Solve for x
    x = 17,314,888,291,800,210,997,248/152,045,669,633.10
  6. Step 6: Final answer
    x = 113,879,522,735.39

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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.