Home / 76,120,021.44-105,046,386.08-41,313,021.12

Finding the Fourth Proportional to 76,120,021.44, 105,046,386.08 and 41,313,021.12

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Solution

The fourth proportional to 76,120,021.44, 105,046,386.08 and 41,313,021.12 is: 57,012,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,120,021.44 : 105,046,386.08 = 41,313,021.12 : x
  2. Step 2: Convert to fraction form
    76,120,021.44/105,046,386.08 = 41,313,021.12/x
  3. Step 3: Cross multiply
    76,120,021.44x = 105,046,386.08 × 41,313,021.12
  4. Step 4: Simplify right side
    76,120,021.44x = 4,339,783,566,702,713.50
  5. Step 5: Solve for x
    x = 4,339,783,566,702,713.50/76,120,021.44
  6. Step 6: Final answer
    x = 57,012,379.72

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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.