Home / 55,284,205.80-76,291,683.30-30,504,616.68

Finding the Fourth Proportional to 55,284,205.80, 76,291,683.30 and 30,504,616.68

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Solution

The fourth proportional to 55,284,205.80, 76,291,683.30 and 30,504,616.68 is: 42,096,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284,205.80 : 76,291,683.30 = 30,504,616.68 : x
  2. Step 2: Convert to fraction form
    55,284,205.80/76,291,683.30 = 30,504,616.68/x
  3. Step 3: Cross multiply
    55,284,205.80x = 76,291,683.30 × 30,504,616.68
  4. Step 4: Simplify right side
    55,284,205.80x = 2,327,248,554,938,457.50
  5. Step 5: Solve for x
    x = 2,327,248,554,938,457.50/55,284,205.80
  6. Step 6: Final answer
    x = 42,096,083.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.