Home / 203,687,662,977.51-281,076,309,765.42-112,231,095,797.18

Finding the Fourth Proportional to 203,687,662,977.51, 281,076,309,765.42 and 112,231,095,797.18

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Solution

The fourth proportional to 203,687,662,977.51, 281,076,309,765.42 and 112,231,095,797.18 is: 154,871,933,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,687,662,977.51 : 281,076,309,765.42 = 112,231,095,797.18 : x
  2. Step 2: Convert to fraction form
    203,687,662,977.51/281,076,309,765.42 = 112,231,095,797.18/x
  3. Step 3: Cross multiply
    203,687,662,977.51x = 281,076,309,765.42 × 112,231,095,797.18
  4. Step 4: Simplify right side
    203,687,662,977.51x = 31,545,502,247,600,686,891,008
  5. Step 5: Solve for x
    x = 31,545,502,247,600,686,891,008/203,687,662,977.51
  6. Step 6: Final answer
    x = 154,871,933,756.16

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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.