Home / 52,177,940.20-78,248,284.38-21,463,542.76

Finding the Fourth Proportional to 52,177,940.20, 78,248,284.38 and 21,463,542.76

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Solution

The fourth proportional to 52,177,940.20, 78,248,284.38 and 21,463,542.76 is: 32,187,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177,940.20 : 78,248,284.38 = 21,463,542.76 : x
  2. Step 2: Convert to fraction form
    52,177,940.20/78,248,284.38 = 21,463,542.76/x
  3. Step 3: Cross multiply
    52,177,940.20x = 78,248,284.38 × 21,463,542.76
  4. Step 4: Simplify right side
    52,177,940.20x = 1,679,485,397,686,770
  5. Step 5: Solve for x
    x = 1,679,485,397,686,770/52,177,940.20
  6. Step 6: Final answer
    x = 32,187,652.32

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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.