Home / 43,538,016.68-65,266,594.68-19,263,978.80

Finding the Fourth Proportional to 43,538,016.68, 65,266,594.68 and 19,263,978.80

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Solution

The fourth proportional to 43,538,016.68, 65,266,594.68 and 19,263,978.80 is: 28,878,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538,016.68 : 65,266,594.68 = 19,263,978.80 : x
  2. Step 2: Convert to fraction form
    43,538,016.68/65,266,594.68 = 19,263,978.80/x
  3. Step 3: Cross multiply
    43,538,016.68x = 65,266,594.68 × 19,263,978.80
  4. Step 4: Simplify right side
    43,538,016.68x = 1,257,294,296,263,712.75
  5. Step 5: Solve for x
    x = 1,257,294,296,263,712.75/43,538,016.68
  6. Step 6: Final answer
    x = 28,878,079.25

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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.