Home / 203,092,759.31-280,260,150.35-110,271,143.03

Finding the Fourth Proportional to 203,092,759.31, 280,260,150.35 and 110,271,143.03

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Solution

The fourth proportional to 203,092,759.31, 280,260,150.35 and 110,271,143.03 is: 152,169,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,092,759.31 : 280,260,150.35 = 110,271,143.03 : x
  2. Step 2: Convert to fraction form
    203,092,759.31/280,260,150.35 = 110,271,143.03/x
  3. Step 3: Cross multiply
    203,092,759.31x = 280,260,150.35 × 110,271,143.03
  4. Step 4: Simplify right side
    203,092,759.31x = 30,904,607,122,901,504
  5. Step 5: Solve for x
    x = 30,904,607,122,901,504/203,092,759.31
  6. Step 6: Final answer
    x = 152,169,911.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.