Home / 69,087,858.21-103,667,653.31-28,177,311.33

Finding the Fourth Proportional to 69,087,858.21, 103,667,653.31 and 28,177,311.33

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Solution

The fourth proportional to 69,087,858.21, 103,667,653.31 and 28,177,311.33 is: 42,280,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087,858.21 : 103,667,653.31 = 28,177,311.33 : x
  2. Step 2: Convert to fraction form
    69,087,858.21/103,667,653.31 = 28,177,311.33/x
  3. Step 3: Cross multiply
    69,087,858.21x = 103,667,653.31 × 28,177,311.33
  4. Step 4: Simplify right side
    69,087,858.21x = 2,921,075,742,025,488.50
  5. Step 5: Solve for x
    x = 2,921,075,742,025,488.50/69,087,858.21
  6. Step 6: Final answer
    x = 42,280,594.85

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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.