Home / 208,030,747.20-287,091,738.72-113,951,515.20

Finding the Fourth Proportional to 208,030,747.20, 287,091,738.72 and 113,951,515.20

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Solution

The fourth proportional to 208,030,747.20, 287,091,738.72 and 113,951,515.20 is: 157,258,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030,747.20 : 287,091,738.72 = 113,951,515.20 : x
  2. Step 2: Convert to fraction form
    208,030,747.20/287,091,738.72 = 113,951,515.20/x
  3. Step 3: Cross multiply
    208,030,747.20x = 287,091,738.72 × 113,951,515.20
  4. Step 4: Simplify right side
    208,030,747.20x = 32,714,538,628,546,512
  5. Step 5: Solve for x
    x = 32,714,538,628,546,512/208,030,747.20
  6. Step 6: Final answer
    x = 157,258,189.32

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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.