Home / 223,607,906.40-334,656,032.40-196,398,127.20

Finding the Fourth Proportional to 223,607,906.40, 334,656,032.40 and 196,398,127.20

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Solution

The fourth proportional to 223,607,906.40, 334,656,032.40 and 196,398,127.20 is: 293,933,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,607,906.40 : 334,656,032.40 = 196,398,127.20 : x
  2. Step 2: Convert to fraction form
    223,607,906.40/334,656,032.40 = 196,398,127.20/x
  3. Step 3: Cross multiply
    223,607,906.40x = 334,656,032.40 × 196,398,127.20
  4. Step 4: Simplify right side
    223,607,906.40x = 65,725,818,019,542,512
  5. Step 5: Solve for x
    x = 65,725,818,019,542,512/223,607,906.40
  6. Step 6: Final answer
    x = 293,933,336.61

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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.