Home / 165,888,163.40-248,832,245.10-153,794,928.20

Finding the Fourth Proportional to 165,888,163.40, 248,832,245.10 and 153,794,928.20

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Solution

The fourth proportional to 165,888,163.40, 248,832,245.10 and 153,794,928.20 is: 230,692,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,163.40 : 248,832,245.10 = 153,794,928.20 : x
  2. Step 2: Convert to fraction form
    165,888,163.40/248,832,245.10 = 153,794,928.20/x
  3. Step 3: Cross multiply
    165,888,163.40x = 248,832,245.10 × 153,794,928.20
  4. Step 4: Simplify right side
    165,888,163.40x = 38,269,137,268,999,296
  5. Step 5: Solve for x
    x = 38,269,137,268,999,296/165,888,163.40
  6. Step 6: Final answer
    x = 230,692,392.30

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1.5x scale

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.