Home / 108,874,015.20-163,325,019.60-54,314,488.80

Finding the Fourth Proportional to 108,874,015.20, 163,325,019.60 and 54,314,488.80

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Solution

The fourth proportional to 108,874,015.20, 163,325,019.60 and 54,314,488.80 is: 81,478,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,015.20 : 163,325,019.60 = 54,314,488.80 : x
  2. Step 2: Convert to fraction form
    108,874,015.20/163,325,019.60 = 54,314,488.80/x
  3. Step 3: Cross multiply
    108,874,015.20x = 163,325,019.60 × 54,314,488.80
  4. Step 4: Simplify right side
    108,874,015.20x = 8,870,914,947,823,980
  5. Step 5: Solve for x
    x = 8,870,914,947,823,980/108,874,015.20
  6. Step 6: Final answer
    x = 81,478,715.85

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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.