Home / 288,086,983.50-432,131,583.36-69,736,968.30

Finding the Fourth Proportional to 288,086,983.50, 432,131,583.36 and 69,736,968.30

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Solution

The fourth proportional to 288,086,983.50, 432,131,583.36 and 69,736,968.30 is: 104,605,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,086,983.50 : 432,131,583.36 = 69,736,968.30 : x
  2. Step 2: Convert to fraction form
    288,086,983.50/432,131,583.36 = 69,736,968.30/x
  3. Step 3: Cross multiply
    288,086,983.50x = 432,131,583.36 × 69,736,968.30
  4. Step 4: Simplify right side
    288,086,983.50x = 30,135,546,530,205,128
  5. Step 5: Solve for x
    x = 30,135,546,530,205,128/288,086,983.50
  6. Step 6: Final answer
    x = 104,605,720.69

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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.