Home / 217,142,069.04-299,654,650.20-124,340,512.92

Finding the Fourth Proportional to 217,142,069.04, 299,654,650.20 and 124,340,512.92

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Solution

The fourth proportional to 217,142,069.04, 299,654,650.20 and 124,340,512.92 is: 171,589,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,142,069.04 : 299,654,650.20 = 124,340,512.92 : x
  2. Step 2: Convert to fraction form
    217,142,069.04/299,654,650.20 = 124,340,512.92/x
  3. Step 3: Cross multiply
    217,142,069.04x = 299,654,650.20 × 124,340,512.92
  4. Step 4: Simplify right side
    217,142,069.04x = 37,259,212,904,731,176
  5. Step 5: Solve for x
    x = 37,259,212,904,731,176/217,142,069.04
  6. Step 6: Final answer
    x = 171,589,103.25

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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.