Home / 190,101,169,874.40-285,151,754,811.60-159,417,467,145.60

Finding the Fourth Proportional to 190,101,169,874.40, 285,151,754,811.60 and 159,417,467,145.60

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Solution

The fourth proportional to 190,101,169,874.40, 285,151,754,811.60 and 159,417,467,145.60 is: 239,126,200,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101,169,874.40 : 285,151,754,811.60 = 159,417,467,145.60 : x
  2. Step 2: Convert to fraction form
    190,101,169,874.40/285,151,754,811.60 = 159,417,467,145.60/x
  3. Step 3: Cross multiply
    190,101,169,874.40x = 285,151,754,811.60 × 159,417,467,145.60
  4. Step 4: Simplify right side
    190,101,169,874.40x = 45,458,170,504,188,428,025,856
  5. Step 5: Solve for x
    x = 45,458,170,504,188,428,025,856/190,101,169,874.40
  6. Step 6: Final answer
    x = 239,126,200,718.40

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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.