Home / 55,406,121.56-76,460,464.24-30,288,340.02

Finding the Fourth Proportional to 55,406,121.56, 76,460,464.24 and 30,288,340.02

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Solution

The fourth proportional to 55,406,121.56, 76,460,464.24 and 30,288,340.02 is: 41,797,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406,121.56 : 76,460,464.24 = 30,288,340.02 : x
  2. Step 2: Convert to fraction form
    55,406,121.56/76,460,464.24 = 30,288,340.02/x
  3. Step 3: Cross multiply
    55,406,121.56x = 76,460,464.24 × 30,288,340.02
  4. Step 4: Simplify right side
    55,406,121.56x = 2,315,860,538,988,170.50
  5. Step 5: Solve for x
    x = 2,315,860,538,988,170.50/55,406,121.56
  6. Step 6: Final answer
    x = 41,797,918.24

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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.