Home / 151,892,119.44-209,612,131.16-82,277,499.69

Finding the Fourth Proportional to 151,892,119.44, 209,612,131.16 and 82,277,499.69

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Solution

The fourth proportional to 151,892,119.44, 209,612,131.16 and 82,277,499.69 is: 113,543,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,892,119.44 : 209,612,131.16 = 82,277,499.69 : x
  2. Step 2: Convert to fraction form
    151,892,119.44/209,612,131.16 = 82,277,499.69/x
  3. Step 3: Cross multiply
    151,892,119.44x = 209,612,131.16 × 82,277,499.69
  4. Step 4: Simplify right side
    151,892,119.44x = 17,246,362,056,125,752
  5. Step 5: Solve for x
    x = 17,246,362,056,125,752/151,892,119.44
  6. Step 6: Final answer
    x = 113,543,494.68

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Double scale
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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.