Home / 152,847,174.36-210,923,531.82-83,231,028.12

Finding the Fourth Proportional to 152,847,174.36, 210,923,531.82 and 83,231,028.12

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Solution

The fourth proportional to 152,847,174.36, 210,923,531.82 and 83,231,028.12 is: 114,855,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,847,174.36 : 210,923,531.82 = 83,231,028.12 : x
  2. Step 2: Convert to fraction form
    152,847,174.36/210,923,531.82 = 83,231,028.12/x
  3. Step 3: Cross multiply
    152,847,174.36x = 210,923,531.82 × 83,231,028.12
  4. Step 4: Simplify right side
    152,847,174.36x = 17,555,382,408,080,136
  5. Step 5: Solve for x
    x = 17,555,382,408,080,136/152,847,174.36
  6. Step 6: Final answer
    x = 114,855,786.39

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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.