Home / 201,392,915.52-302,089,456.73-90,599,174.19

Finding the Fourth Proportional to 201,392,915.52, 302,089,456.73 and 90,599,174.19

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Solution

The fourth proportional to 201,392,915.52, 302,089,456.73 and 90,599,174.19 is: 135,898,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,392,915.52 : 302,089,456.73 = 90,599,174.19 : x
  2. Step 2: Convert to fraction form
    201,392,915.52/302,089,456.73 = 90,599,174.19/x
  3. Step 3: Cross multiply
    201,392,915.52x = 302,089,456.73 × 90,599,174.19
  4. Step 4: Simplify right side
    201,392,915.52x = 27,369,055,311,470,236
  5. Step 5: Solve for x
    x = 27,369,055,311,470,236/201,392,915.52
  6. Step 6: Final answer
    x = 135,898,798.82

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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.