Home / 268,271,997.80-402,407,996.70-132,223,101.80

Finding the Fourth Proportional to 268,271,997.80, 402,407,996.70 and 132,223,101.80

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Solution

The fourth proportional to 268,271,997.80, 402,407,996.70 and 132,223,101.80 is: 198,334,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,271,997.80 : 402,407,996.70 = 132,223,101.80 : x
  2. Step 2: Convert to fraction form
    268,271,997.80/402,407,996.70 = 132,223,101.80/x
  3. Step 3: Cross multiply
    268,271,997.80x = 402,407,996.70 × 132,223,101.80
  4. Step 4: Simplify right side
    268,271,997.80x = 53,207,633,512,798,160
  5. Step 5: Solve for x
    x = 53,207,633,512,798,160/268,271,997.80
  6. Step 6: Final answer
    x = 198,334,652.70

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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.