Home / 52,052,816.40-78,065,227.80-15,661,136.40

Finding the Fourth Proportional to 52,052,816.40, 78,065,227.80 and 15,661,136.40

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Solution

The fourth proportional to 52,052,816.40, 78,065,227.80 and 15,661,136.40 is: 23,487,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,052,816.40 : 78,065,227.80 = 15,661,136.40 : x
  2. Step 2: Convert to fraction form
    52,052,816.40/78,065,227.80 = 15,661,136.40/x
  3. Step 3: Cross multiply
    52,052,816.40x = 78,065,227.80 × 15,661,136.40
  4. Step 4: Simplify right side
    52,052,816.40x = 1,222,590,180,672,872
  5. Step 5: Solve for x
    x = 1,222,590,180,672,872/52,052,816.40
  6. Step 6: Final answer
    x = 23,487,493.38

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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.