Home / 81,853,363.82-122,781,374.35-23,561,814.87

Finding the Fourth Proportional to 81,853,363.82, 122,781,374.35 and 23,561,814.87

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Solution

The fourth proportional to 81,853,363.82, 122,781,374.35 and 23,561,814.87 is: 35,343,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,853,363.82 : 122,781,374.35 = 23,561,814.87 : x
  2. Step 2: Convert to fraction form
    81,853,363.82/122,781,374.35 = 23,561,814.87/x
  3. Step 3: Cross multiply
    81,853,363.82x = 122,781,374.35 × 23,561,814.87
  4. Step 4: Simplify right side
    81,853,363.82x = 2,892,952,011,859,962
  5. Step 5: Solve for x
    x = 2,892,952,011,859,962/81,853,363.82
  6. Step 6: Final answer
    x = 35,343,104.75

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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.