Home / 57,509,141.66-86,234,866.41-19,157,172.38

Finding the Fourth Proportional to 57,509,141.66, 86,234,866.41 and 19,157,172.38

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Solution

The fourth proportional to 57,509,141.66, 86,234,866.41 and 19,157,172.38 is: 28,726,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509,141.66 : 86,234,866.41 = 19,157,172.38 : x
  2. Step 2: Convert to fraction form
    57,509,141.66/86,234,866.41 = 19,157,172.38/x
  3. Step 3: Cross multiply
    57,509,141.66x = 86,234,866.41 × 19,157,172.38
  4. Step 4: Simplify right side
    57,509,141.66x = 1,652,016,200,982,641.50
  5. Step 5: Solve for x
    x = 1,652,016,200,982,641.50/57,509,141.66
  6. Step 6: Final answer
    x = 28,726,149.50

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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.