Home / 54,787,393.22-75,603,905.37-30,007,689.98

Finding the Fourth Proportional to 54,787,393.22, 75,603,905.37 and 30,007,689.98

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Solution

The fourth proportional to 54,787,393.22, 75,603,905.37 and 30,007,689.98 is: 41,409,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787,393.22 : 75,603,905.37 = 30,007,689.98 : x
  2. Step 2: Convert to fraction form
    54,787,393.22/75,603,905.37 = 30,007,689.98/x
  3. Step 3: Cross multiply
    54,787,393.22x = 75,603,905.37 × 30,007,689.98
  4. Step 4: Simplify right side
    54,787,393.22x = 2,268,698,553,620,217.50
  5. Step 5: Solve for x
    x = 2,268,698,553,620,217.50/54,787,393.22
  6. Step 6: Final answer
    x = 41,409,134.84

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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.