Home / 85,469,679-117,948,260.70-46,311,425.46

Finding the Fourth Proportional to 85,469,679, 117,948,260.70 and 46,311,425.46

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Solution

The fourth proportional to 85,469,679, 117,948,260.70 and 46,311,425.46 is: 63,909,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,469,679 : 117,948,260.70 = 46,311,425.46 : x
  2. Step 2: Convert to fraction form
    85,469,679/117,948,260.70 = 46,311,425.46/x
  3. Step 3: Cross multiply
    85,469,679x = 117,948,260.70 × 46,311,425.46
  4. Step 4: Simplify right side
    85,469,679x = 5,462,352,083,544,698
  5. Step 5: Solve for x
    x = 5,462,352,083,544,698/85,469,679
  6. Step 6: Final answer
    x = 63,909,823.31

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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.