Home / 104,336,553.60-156,504,830.40-87,456,412.80

Finding the Fourth Proportional to 104,336,553.60, 156,504,830.40 and 87,456,412.80

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Solution

The fourth proportional to 104,336,553.60, 156,504,830.40 and 87,456,412.80 is: 131,184,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,336,553.60 : 156,504,830.40 = 87,456,412.80 : x
  2. Step 2: Convert to fraction form
    104,336,553.60/156,504,830.40 = 87,456,412.80/x
  3. Step 3: Cross multiply
    104,336,553.60x = 156,504,830.40 × 87,456,412.80
  4. Step 4: Simplify right side
    104,336,553.60x = 13,687,351,052,656,390
  5. Step 5: Solve for x
    x = 13,687,351,052,656,390/104,336,553.60
  6. Step 6: Final answer
    x = 131,184,619.20

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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.