Home / 108,868,442.66-163,245,960.75-51,345,268.82

Finding the Fourth Proportional to 108,868,442.66, 163,245,960.75 and 51,345,268.82

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Solution

The fourth proportional to 108,868,442.66, 163,245,960.75 and 51,345,268.82 is: 76,991,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868,442.66 : 163,245,960.75 = 51,345,268.82 : x
  2. Step 2: Convert to fraction form
    108,868,442.66/163,245,960.75 = 51,345,268.82/x
  3. Step 3: Cross multiply
    108,868,442.66x = 163,245,960.75 × 51,345,268.82
  4. Step 4: Simplify right side
    108,868,442.66x = 8,381,907,738,487,919
  5. Step 5: Solve for x
    x = 8,381,907,738,487,919/108,868,442.66
  6. Step 6: Final answer
    x = 76,991,160.47

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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.