Home / 194,820,649.92-268,777,662.96-111,193,422.12

Finding the Fourth Proportional to 194,820,649.92, 268,777,662.96 and 111,193,422.12

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Solution

The fourth proportional to 194,820,649.92, 268,777,662.96 and 111,193,422.12 is: 153,404,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,820,649.92 : 268,777,662.96 = 111,193,422.12 : x
  2. Step 2: Convert to fraction form
    194,820,649.92/268,777,662.96 = 111,193,422.12/x
  3. Step 3: Cross multiply
    194,820,649.92x = 268,777,662.96 × 111,193,422.12
  4. Step 4: Simplify right side
    194,820,649.92x = 29,886,308,133,938,368
  5. Step 5: Solve for x
    x = 29,886,308,133,938,368/194,820,649.92
  6. Step 6: Final answer
    x = 153,404,211.24

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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.