Home / 151,923,888.16-209,654,682-82,310,999.20

Finding the Fourth Proportional to 151,923,888.16, 209,654,682 and 82,310,999.20

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Solution

The fourth proportional to 151,923,888.16, 209,654,682 and 82,310,999.20 is: 113,589,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,923,888.16 : 209,654,682 = 82,310,999.20 : x
  2. Step 2: Convert to fraction form
    151,923,888.16/209,654,682 = 82,310,999.20/x
  3. Step 3: Cross multiply
    151,923,888.16x = 209,654,682 × 82,310,999.20
  4. Step 4: Simplify right side
    151,923,888.16x = 17,256,886,362,378,256
  5. Step 5: Solve for x
    x = 17,256,886,362,378,256/151,923,888.16
  6. Step 6: Final answer
    x = 113,589,025.21

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1.5x scale

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.