Home / 203,149,607.82-280,363,749.15-115,059,276.26

Finding the Fourth Proportional to 203,149,607.82, 280,363,749.15 and 115,059,276.26

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Solution

The fourth proportional to 203,149,607.82, 280,363,749.15 and 115,059,276.26 is: 158,791,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,149,607.82 : 280,363,749.15 = 115,059,276.26 : x
  2. Step 2: Convert to fraction form
    203,149,607.82/280,363,749.15 = 115,059,276.26/x
  3. Step 3: Cross multiply
    203,149,607.82x = 280,363,749.15 × 115,059,276.26
  4. Step 4: Simplify right side
    203,149,607.82x = 32,258,450,066,739,188
  5. Step 5: Solve for x
    x = 32,258,450,066,739,188/203,149,607.82
  6. Step 6: Final answer
    x = 158,791,594.10

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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.