Home / 87,995,912.80-132,119,840.40-49,732,160.80

Finding the Fourth Proportional to 87,995,912.80, 132,119,840.40 and 49,732,160.80

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Solution

The fourth proportional to 87,995,912.80, 132,119,840.40 and 49,732,160.80 is: 74,669,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995,912.80 : 132,119,840.40 = 49,732,160.80 : x
  2. Step 2: Convert to fraction form
    87,995,912.80/132,119,840.40 = 49,732,160.80/x
  3. Step 3: Cross multiply
    87,995,912.80x = 132,119,840.40 × 49,732,160.80
  4. Step 4: Simplify right side
    87,995,912.80x = 6,570,605,147,643,136
  5. Step 5: Solve for x
    x = 6,570,605,147,643,136/87,995,912.80
  6. Step 6: Final answer
    x = 74,669,435.64

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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.