Home / 43,504,196.80-65,181,645.60-20,736,068.80

Finding the Fourth Proportional to 43,504,196.80, 65,181,645.60 and 20,736,068.80

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Solution

The fourth proportional to 43,504,196.80, 65,181,645.60 and 20,736,068.80 is: 31,068,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,504,196.80 : 65,181,645.60 = 20,736,068.80 : x
  2. Step 2: Convert to fraction form
    43,504,196.80/65,181,645.60 = 20,736,068.80/x
  3. Step 3: Cross multiply
    43,504,196.80x = 65,181,645.60 × 20,736,068.80
  4. Step 4: Simplify right side
    43,504,196.80x = 1,351,611,087,658,817.25
  5. Step 5: Solve for x
    x = 1,351,611,087,658,817.25/43,504,196.80
  6. Step 6: Final answer
    x = 31,068,521.82

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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.