Home / 88,970,729.60-133,456,094.40-54,781,212.80

Finding the Fourth Proportional to 88,970,729.60, 133,456,094.40 and 54,781,212.80

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Solution

The fourth proportional to 88,970,729.60, 133,456,094.40 and 54,781,212.80 is: 82,171,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,970,729.60 : 133,456,094.40 = 54,781,212.80 : x
  2. Step 2: Convert to fraction form
    88,970,729.60/133,456,094.40 = 54,781,212.80/x
  3. Step 3: Cross multiply
    88,970,729.60x = 133,456,094.40 × 54,781,212.80
  4. Step 4: Simplify right side
    88,970,729.60x = 7,310,886,706,783,288
  5. Step 5: Solve for x
    x = 7,310,886,706,783,288/88,970,729.60
  6. Step 6: Final answer
    x = 82,171,819.20

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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.