Home / 291,091,077.83-401,740,913.21-165,673,768.38

Finding the Fourth Proportional to 291,091,077.83, 401,740,913.21 and 165,673,768.38

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Solution

The fourth proportional to 291,091,077.83, 401,740,913.21 and 165,673,768.38 is: 228,649,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,091,077.83 : 401,740,913.21 = 165,673,768.38 : x
  2. Step 2: Convert to fraction form
    291,091,077.83/401,740,913.21 = 165,673,768.38/x
  3. Step 3: Cross multiply
    291,091,077.83x = 401,740,913.21 × 165,673,768.38
  4. Step 4: Simplify right side
    291,091,077.83x = 66,557,931,003,094,848
  5. Step 5: Solve for x
    x = 66,557,931,003,094,848/291,091,077.83
  6. Step 6: Final answer
    x = 228,649,849.05

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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.