Home / 255,620,057.60-383,430,086.40-214,805,388.80

Finding the Fourth Proportional to 255,620,057.60, 383,430,086.40 and 214,805,388.80

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Solution

The fourth proportional to 255,620,057.60, 383,430,086.40 and 214,805,388.80 is: 322,208,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,620,057.60 : 383,430,086.40 = 214,805,388.80 : x
  2. Step 2: Convert to fraction form
    255,620,057.60/383,430,086.40 = 214,805,388.80/x
  3. Step 3: Cross multiply
    255,620,057.60x = 383,430,086.40 × 214,805,388.80
  4. Step 4: Simplify right side
    255,620,057.60x = 82,362,848,786,769,584
  5. Step 5: Solve for x
    x = 82,362,848,786,769,584/255,620,057.60
  6. Step 6: Final answer
    x = 322,208,083.20

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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.