Home / 215,669,620.40-323,504,430.60-134,040,282.80

Finding the Fourth Proportional to 215,669,620.40, 323,504,430.60 and 134,040,282.80

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Solution

The fourth proportional to 215,669,620.40, 323,504,430.60 and 134,040,282.80 is: 201,060,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,669,620.40 : 323,504,430.60 = 134,040,282.80 : x
  2. Step 2: Convert to fraction form
    215,669,620.40/323,504,430.60 = 134,040,282.80/x
  3. Step 3: Cross multiply
    215,669,620.40x = 323,504,430.60 × 134,040,282.80
  4. Step 4: Simplify right side
    215,669,620.40x = 43,362,625,364,676,976
  5. Step 5: Solve for x
    x = 43,362,625,364,676,976/215,669,620.40
  6. Step 6: Final answer
    x = 201,060,424.20

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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.