Home / 150,086,811.79-225,169,032.48-87,890,652.37

Finding the Fourth Proportional to 150,086,811.79, 225,169,032.48 and 87,890,652.37

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Solution

The fourth proportional to 150,086,811.79, 225,169,032.48 and 87,890,652.37 is: 131,858,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,086,811.79 : 225,169,032.48 = 87,890,652.37 : x
  2. Step 2: Convert to fraction form
    150,086,811.79/225,169,032.48 = 87,890,652.37/x
  3. Step 3: Cross multiply
    150,086,811.79x = 225,169,032.48 × 87,890,652.37
  4. Step 4: Simplify right side
    150,086,811.79x = 19,790,253,158,188,920
  5. Step 5: Solve for x
    x = 19,790,253,158,188,920/150,086,811.79
  6. Step 6: Final answer
    x = 131,858,708.45

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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.