Home / 74,405,640-102,689,405.28-41,810,594.88

Finding the Fourth Proportional to 74,405,640, 102,689,405.28 and 41,810,594.88

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Solution

The fourth proportional to 74,405,640, 102,689,405.28 and 41,810,594.88 is: 57,704,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,405,640 : 102,689,405.28 = 41,810,594.88 : x
  2. Step 2: Convert to fraction form
    74,405,640/102,689,405.28 = 41,810,594.88/x
  3. Step 3: Cross multiply
    74,405,640x = 102,689,405.28 × 41,810,594.88
  4. Step 4: Simplify right side
    74,405,640x = 4,293,505,122,630,213.50
  5. Step 5: Solve for x
    x = 4,293,505,122,630,213.50/74,405,640
  6. Step 6: Final answer
    x = 57,704,027.85

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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.