Home / 82,247,619.60-123,334,104.60-31,112,643.60

Finding the Fourth Proportional to 82,247,619.60, 123,334,104.60 and 31,112,643.60

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Solution

The fourth proportional to 82,247,619.60, 123,334,104.60 and 31,112,643.60 is: 46,654,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247,619.60 : 123,334,104.60 = 31,112,643.60 : x
  2. Step 2: Convert to fraction form
    82,247,619.60/123,334,104.60 = 31,112,643.60/x
  3. Step 3: Cross multiply
    82,247,619.60x = 123,334,104.60 × 31,112,643.60
  4. Step 4: Simplify right side
    82,247,619.60x = 3,837,250,040,144,920.50
  5. Step 5: Solve for x
    x = 3,837,250,040,144,920.50/82,247,619.60
  6. Step 6: Final answer
    x = 46,654,846.17

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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.