Home / 89,022,243.60-133,533,365.40-82,786,669.20

Finding the Fourth Proportional to 89,022,243.60, 133,533,365.40 and 82,786,669.20

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Solution

The fourth proportional to 89,022,243.60, 133,533,365.40 and 82,786,669.20 is: 124,180,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,022,243.60 : 133,533,365.40 = 82,786,669.20 : x
  2. Step 2: Convert to fraction form
    89,022,243.60/133,533,365.40 = 82,786,669.20/x
  3. Step 3: Cross multiply
    89,022,243.60x = 133,533,365.40 × 82,786,669.20
  4. Step 4: Simplify right side
    89,022,243.60x = 11,054,782,548,532,526
  5. Step 5: Solve for x
    x = 11,054,782,548,532,526/89,022,243.60
  6. Step 6: Final answer
    x = 124,180,003.80

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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.