Home / 133,456,038.40-200,184,057.60-82,171,763.20

Finding the Fourth Proportional to 133,456,038.40, 200,184,057.60 and 82,171,763.20

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Solution

The fourth proportional to 133,456,038.40, 200,184,057.60 and 82,171,763.20 is: 123,257,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,456,038.40 : 200,184,057.60 = 82,171,763.20 : x
  2. Step 2: Convert to fraction form
    133,456,038.40/200,184,057.60 = 82,171,763.20/x
  3. Step 3: Cross multiply
    133,456,038.40x = 200,184,057.60 × 82,171,763.20
  4. Step 4: Simplify right side
    133,456,038.40x = 16,449,476,977,522,360
  5. Step 5: Solve for x
    x = 16,449,476,977,522,360/133,456,038.40
  6. Step 6: Final answer
    x = 123,257,644.80

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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.