Home / 54,362,788.76-81,558,296.58-20,284,391

Finding the Fourth Proportional to 54,362,788.76, 81,558,296.58 and 20,284,391

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Solution

The fourth proportional to 54,362,788.76, 81,558,296.58 and 20,284,391 is: 30,431,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362,788.76 : 81,558,296.58 = 20,284,391 : x
  2. Step 2: Convert to fraction form
    54,362,788.76/81,558,296.58 = 20,284,391/x
  3. Step 3: Cross multiply
    54,362,788.76x = 81,558,296.58 × 20,284,391
  4. Step 4: Simplify right side
    54,362,788.76x = 1,654,360,377,122,682.75
  5. Step 5: Solve for x
    x = 1,654,360,377,122,682.75/54,362,788.76
  6. Step 6: Final answer
    x = 30,431,852.65

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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.