Home / 69,271,128.32-103,907,389.44-30,934,584.32

Finding the Fourth Proportional to 69,271,128.32, 103,907,389.44 and 30,934,584.32

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Solution

The fourth proportional to 69,271,128.32, 103,907,389.44 and 30,934,584.32 is: 46,402,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,271,128.32 : 103,907,389.44 = 30,934,584.32 : x
  2. Step 2: Convert to fraction form
    69,271,128.32/103,907,389.44 = 30,934,584.32/x
  3. Step 3: Cross multiply
    69,271,128.32x = 103,907,389.44 × 30,934,584.32
  4. Step 4: Simplify right side
    69,271,128.32x = 3,214,331,900,102,757.50
  5. Step 5: Solve for x
    x = 3,214,331,900,102,757.50/69,271,128.32
  6. Step 6: Final answer
    x = 46,402,187.72

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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.