Home / 269,776,846.31-404,679,985.95-85,530,997.40

Finding the Fourth Proportional to 269,776,846.31, 404,679,985.95 and 85,530,997.40

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Solution

The fourth proportional to 269,776,846.31, 404,679,985.95 and 85,530,997.40 is: 128,301,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,776,846.31 : 404,679,985.95 = 85,530,997.40 : x
  2. Step 2: Convert to fraction form
    269,776,846.31/404,679,985.95 = 85,530,997.40/x
  3. Step 3: Cross multiply
    269,776,846.31x = 404,679,985.95 × 85,530,997.40
  4. Step 4: Simplify right side
    269,776,846.31x = 34,612,682,826,121,488
  5. Step 5: Solve for x
    x = 34,612,682,826,121,488/269,776,846.31
  6. Step 6: Final answer
    x = 128,301,161.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.