Home / 89,168,114.40-133,752,171.60-80,239,905.60

Finding the Fourth Proportional to 89,168,114.40, 133,752,171.60 and 80,239,905.60

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Solution

The fourth proportional to 89,168,114.40, 133,752,171.60 and 80,239,905.60 is: 120,359,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,168,114.40 : 133,752,171.60 = 80,239,905.60 : x
  2. Step 2: Convert to fraction form
    89,168,114.40/133,752,171.60 = 80,239,905.60/x
  3. Step 3: Cross multiply
    89,168,114.40x = 133,752,171.60 × 80,239,905.60
  4. Step 4: Simplify right side
    89,168,114.40x = 10,732,261,622,979,000
  5. Step 5: Solve for x
    x = 10,732,261,622,979,000/89,168,114.40
  6. Step 6: Final answer
    x = 120,359,858.40

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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.