Home / 208,030,749.20-287,091,741.48-113,951,517.20

Finding the Fourth Proportional to 208,030,749.20, 287,091,741.48 and 113,951,517.20

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Solution

The fourth proportional to 208,030,749.20, 287,091,741.48 and 113,951,517.20 is: 157,258,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030,749.20 : 287,091,741.48 = 113,951,517.20 : x
  2. Step 2: Convert to fraction form
    208,030,749.20/287,091,741.48 = 113,951,517.20/x
  3. Step 3: Cross multiply
    208,030,749.20x = 287,091,741.48 × 113,951,517.20
  4. Step 4: Simplify right side
    208,030,749.20x = 32,714,539,517,236,176
  5. Step 5: Solve for x
    x = 32,714,539,517,236,176/208,030,749.20
  6. Step 6: Final answer
    x = 157,258,192.08

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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.