Home / 101,136,986.80-151,448,872.20-55,647,386.80

Finding the Fourth Proportional to 101,136,986.80, 151,448,872.20 and 55,647,386.80

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Solution

The fourth proportional to 101,136,986.80, 151,448,872.20 and 55,647,386.80 is: 83,329,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,136,986.80 : 151,448,872.20 = 55,647,386.80 : x
  2. Step 2: Convert to fraction form
    101,136,986.80/151,448,872.20 = 55,647,386.80/x
  3. Step 3: Cross multiply
    101,136,986.80x = 151,448,872.20 × 55,647,386.80
  4. Step 4: Simplify right side
    101,136,986.80x = 8,427,733,971,737,166
  5. Step 5: Solve for x
    x = 8,427,733,971,737,166/101,136,986.80
  6. Step 6: Final answer
    x = 83,329,889.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.