Home / 69,545,745.20-104,313,952.20-18,426,666.80

Finding the Fourth Proportional to 69,545,745.20, 104,313,952.20 and 18,426,666.80

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Solution

The fourth proportional to 69,545,745.20, 104,313,952.20 and 18,426,666.80 is: 27,638,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545,745.20 : 104,313,952.20 = 18,426,666.80 : x
  2. Step 2: Convert to fraction form
    69,545,745.20/104,313,952.20 = 18,426,666.80/x
  3. Step 3: Cross multiply
    69,545,745.20x = 104,313,952.20 × 18,426,666.80
  4. Step 4: Simplify right side
    69,545,745.20x = 1,922,158,439,780,527
  5. Step 5: Solve for x
    x = 1,922,158,439,780,527/69,545,745.20
  6. Step 6: Final answer
    x = 27,638,764.01

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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.