Home / 251,848,794,157.70-347,551,310,268.72-137,663,871,152.02

Finding the Fourth Proportional to 251,848,794,157.70, 347,551,310,268.72 and 137,663,871,152.02

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Solution

The fourth proportional to 251,848,794,157.70, 347,551,310,268.72 and 137,663,871,152.02 is: 189,976,128,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,848,794,157.70 : 347,551,310,268.72 = 137,663,871,152.02 : x
  2. Step 2: Convert to fraction form
    251,848,794,157.70/347,551,310,268.72 = 137,663,871,152.02/x
  3. Step 3: Cross multiply
    251,848,794,157.70x = 347,551,310,268.72 × 137,663,871,152.02
  4. Step 4: Simplify right side
    251,848,794,157.70x = 47,845,258,795,548,789,440,512
  5. Step 5: Solve for x
    x = 47,845,258,795,548,789,440,512/251,848,794,157.70
  6. Step 6: Final answer
    x = 189,976,128,158.83

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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.