Home / 89,019,003.60-133,528,505.40-67,194,493.20

Finding the Fourth Proportional to 89,019,003.60, 133,528,505.40 and 67,194,493.20

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Solution

The fourth proportional to 89,019,003.60, 133,528,505.40 and 67,194,493.20 is: 100,791,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,019,003.60 : 133,528,505.40 = 67,194,493.20 : x
  2. Step 2: Convert to fraction form
    89,019,003.60/133,528,505.40 = 67,194,493.20/x
  3. Step 3: Cross multiply
    89,019,003.60x = 133,528,505.40 × 67,194,493.20
  4. Step 4: Simplify right side
    89,019,003.60x = 8,972,380,248,106,464
  5. Step 5: Solve for x
    x = 8,972,380,248,106,464/89,019,003.60
  6. Step 6: Final answer
    x = 100,791,739.80

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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.