Home / 66,473,530.80-99,483,431.40-55,702,993.20

Finding the Fourth Proportional to 66,473,530.80, 99,483,431.40 and 55,702,993.20

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Solution

The fourth proportional to 66,473,530.80, 99,483,431.40 and 55,702,993.20 is: 83,364,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473,530.80 : 99,483,431.40 = 55,702,993.20 : x
  2. Step 2: Convert to fraction form
    66,473,530.80/99,483,431.40 = 55,702,993.20/x
  3. Step 3: Cross multiply
    66,473,530.80x = 99,483,431.40 × 55,702,993.20
  4. Step 4: Simplify right side
    66,473,530.80x = 5,541,524,902,786,867
  5. Step 5: Solve for x
    x = 5,541,524,902,786,867/66,473,530.80
  6. Step 6: Final answer
    x = 83,364,383.33

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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.