Home / 108,868,443.16-163,245,961.50-51,345,269.32

Finding the Fourth Proportional to 108,868,443.16, 163,245,961.50 and 51,345,269.32

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Solution

The fourth proportional to 108,868,443.16, 163,245,961.50 and 51,345,269.32 is: 76,991,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868,443.16 : 163,245,961.50 = 51,345,269.32 : x
  2. Step 2: Convert to fraction form
    108,868,443.16/163,245,961.50 = 51,345,269.32/x
  3. Step 3: Cross multiply
    108,868,443.16x = 163,245,961.50 × 51,345,269.32
  4. Step 4: Simplify right side
    108,868,443.16x = 8,381,907,858,619,851
  5. Step 5: Solve for x
    x = 8,381,907,858,619,851/108,868,443.16
  6. Step 6: Final answer
    x = 76,991,161.22

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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.