Home / 54,081,551.76-81,122,327.58-13,140,780.54

Finding the Fourth Proportional to 54,081,551.76, 81,122,327.58 and 13,140,780.54

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Solution

The fourth proportional to 54,081,551.76, 81,122,327.58 and 13,140,780.54 is: 19,711,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,081,551.76 : 81,122,327.58 = 13,140,780.54 : x
  2. Step 2: Convert to fraction form
    54,081,551.76/81,122,327.58 = 13,140,780.54/x
  3. Step 3: Cross multiply
    54,081,551.76x = 81,122,327.58 × 13,140,780.54
  4. Step 4: Simplify right side
    54,081,551.76x = 1,066,010,703,622,769.25
  5. Step 5: Solve for x
    x = 1,066,010,703,622,769.25/54,081,551.76
  6. Step 6: Final answer
    x = 19,711,170.80

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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.