Home / 152,045,669,759.72-209,823,232,049.04-82,521,311,694.56

Finding the Fourth Proportional to 152,045,669,759.72, 209,823,232,049.04 and 82,521,311,694.56

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Solution

The fourth proportional to 152,045,669,759.72, 209,823,232,049.04 and 82,521,311,694.56 is: 113,879,522,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045,669,759.72 : 209,823,232,049.04 = 82,521,311,694.56 : x
  2. Step 2: Convert to fraction form
    152,045,669,759.72/209,823,232,049.04 = 82,521,311,694.56/x
  3. Step 3: Cross multiply
    152,045,669,759.72x = 209,823,232,049.04 × 82,521,311,694.56
  4. Step 4: Simplify right side
    152,045,669,759.72x = 17,314,888,332,678,820,528,128
  5. Step 5: Solve for x
    x = 17,314,888,332,678,820,528,128/152,045,669,759.72
  6. Step 6: Final answer
    x = 113,879,522,909.41

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1.5x scale

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.