Home / 43,415,999.80-65,123,999.70-17,843,846.20

Finding the Fourth Proportional to 43,415,999.80, 65,123,999.70 and 17,843,846.20

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Solution

The fourth proportional to 43,415,999.80, 65,123,999.70 and 17,843,846.20 is: 26,765,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415,999.80 : 65,123,999.70 = 17,843,846.20 : x
  2. Step 2: Convert to fraction form
    43,415,999.80/65,123,999.70 = 17,843,846.20/x
  3. Step 3: Cross multiply
    43,415,999.80x = 65,123,999.70 × 17,843,846.20
  4. Step 4: Simplify right side
    43,415,999.80x = 1,162,062,634,575,646.25
  5. Step 5: Solve for x
    x = 1,162,062,634,575,646.25/43,415,999.80
  6. Step 6: Final answer
    x = 26,765,769.30

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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.