Home / 54,121,971.96-81,194,898.96-15,786,486.36

Finding the Fourth Proportional to 54,121,971.96, 81,194,898.96 and 15,786,486.36

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Solution

The fourth proportional to 54,121,971.96, 81,194,898.96 and 15,786,486.36 is: 23,683,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121,971.96 : 81,194,898.96 = 15,786,486.36 : x
  2. Step 2: Convert to fraction form
    54,121,971.96/81,194,898.96 = 15,786,486.36/x
  3. Step 3: Cross multiply
    54,121,971.96x = 81,194,898.96 × 15,786,486.36
  4. Step 4: Simplify right side
    54,121,971.96x = 1,281,782,164,933,618
  5. Step 5: Solve for x
    x = 1,281,782,164,933,618/54,121,971.96
  6. Step 6: Final answer
    x = 23,683,212.54

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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.