Home / 350,481,858.75-525,610,982.21-120,395,461.95

Finding the Fourth Proportional to 350,481,858.75, 525,610,982.21 and 120,395,461.95

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Solution

The fourth proportional to 350,481,858.75, 525,610,982.21 and 120,395,461.95 is: 180,554,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,481,858.75 : 525,610,982.21 = 120,395,461.95 : x
  2. Step 2: Convert to fraction form
    350,481,858.75/525,610,982.21 = 120,395,461.95/x
  3. Step 3: Cross multiply
    350,481,858.75x = 525,610,982.21 × 120,395,461.95
  4. Step 4: Simplify right side
    350,481,858.75x = 63,281,177,008,564,208
  5. Step 5: Solve for x
    x = 63,281,177,008,564,208/350,481,858.75
  6. Step 6: Final answer
    x = 180,554,786.01

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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.