Home / 203,687,662,979.76-281,076,309,768.54-112,231,095,799.43

Finding the Fourth Proportional to 203,687,662,979.76, 281,076,309,768.54 and 112,231,095,799.43

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Solution

The fourth proportional to 203,687,662,979.76, 281,076,309,768.54 and 112,231,095,799.43 is: 154,871,933,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,687,662,979.76 : 281,076,309,768.54 = 112,231,095,799.43 : x
  2. Step 2: Convert to fraction form
    203,687,662,979.76/281,076,309,768.54 = 112,231,095,799.43/x
  3. Step 3: Cross multiply
    203,687,662,979.76x = 281,076,309,768.54 × 112,231,095,799.43
  4. Step 4: Simplify right side
    203,687,662,979.76x = 31,545,502,248,583,269,711,872
  5. Step 5: Solve for x
    x = 31,545,502,248,583,269,711,872/203,687,662,979.76
  6. Step 6: Final answer
    x = 154,871,933,759.28

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1.5x scale

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.