Home / 54,434,906.40-81,774,010.80-45,476,954.40

Finding the Fourth Proportional to 54,434,906.40, 81,774,010.80 and 45,476,954.40

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Solution

The fourth proportional to 54,434,906.40, 81,774,010.80 and 45,476,954.40 is: 68,317,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434,906.40 : 81,774,010.80 = 45,476,954.40 : x
  2. Step 2: Convert to fraction form
    54,434,906.40/81,774,010.80 = 45,476,954.40/x
  3. Step 3: Cross multiply
    54,434,906.40x = 81,774,010.80 × 45,476,954.40
  4. Step 4: Simplify right side
    54,434,906.40x = 3,718,832,960,256,707.50
  5. Step 5: Solve for x
    x = 3,718,832,960,256,707.50/54,434,906.40
  6. Step 6: Final answer
    x = 68,317,063.56

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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.