Home / 87,368,831,999.60-131,053,247,999.40-84,919,951,871.60

Finding the Fourth Proportional to 87,368,831,999.60, 131,053,247,999.40 and 84,919,951,871.60

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Solution

The fourth proportional to 87,368,831,999.60, 131,053,247,999.40 and 84,919,951,871.60 is: 127,379,927,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368,831,999.60 : 131,053,247,999.40 = 84,919,951,871.60 : x
  2. Step 2: Convert to fraction form
    87,368,831,999.60/131,053,247,999.40 = 84,919,951,871.60/x
  3. Step 3: Cross multiply
    87,368,831,999.60x = 131,053,247,999.40 × 84,919,951,871.60
  4. Step 4: Simplify right side
    87,368,831,999.60x = 11,129,035,512,725,907,701,760
  5. Step 5: Solve for x
    x = 11,129,035,512,725,907,701,760/87,368,831,999.60
  6. Step 6: Final answer
    x = 127,379,927,807.40

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Similar ratio
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1.5x scale

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.