Home / 152,521,354.92-210,479,605.41-82,906,735.80

Finding the Fourth Proportional to 152,521,354.92, 210,479,605.41 and 82,906,735.80

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Solution

The fourth proportional to 152,521,354.92, 210,479,605.41 and 82,906,735.80 is: 114,411,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521,354.92 : 210,479,605.41 = 82,906,735.80 : x
  2. Step 2: Convert to fraction form
    152,521,354.92/210,479,605.41 = 82,906,735.80/x
  3. Step 3: Cross multiply
    152,521,354.92x = 210,479,605.41 × 82,906,735.80
  4. Step 4: Simplify right side
    152,521,354.92x = 17,450,177,037,015,120
  5. Step 5: Solve for x
    x = 17,450,177,037,015,120/152,521,354.92
  6. Step 6: Final answer
    x = 114,411,369.12

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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.