Home / 350,768,615.16-525,104,633.70-212,174,789.88

Finding the Fourth Proportional to 350,768,615.16, 525,104,633.70 and 212,174,789.88

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Solution

The fourth proportional to 350,768,615.16, 525,104,633.70 and 212,174,789.88 is: 317,628,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,768,615.16 : 525,104,633.70 = 212,174,789.88 : x
  2. Step 2: Convert to fraction form
    350,768,615.16/525,104,633.70 = 212,174,789.88/x
  3. Step 3: Cross multiply
    350,768,615.16x = 525,104,633.70 × 212,174,789.88
  4. Step 4: Simplify right side
    350,768,615.16x = 111,413,965,320,311,856
  5. Step 5: Solve for x
    x = 111,413,965,320,311,856/350,768,615.16
  6. Step 6: Final answer
    x = 317,628,090.16

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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.