Home / 54,258,499.36-81,387,778.16-20,175,416.56

Finding the Fourth Proportional to 54,258,499.36, 81,387,778.16 and 20,175,416.56

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Solution

The fourth proportional to 54,258,499.36, 81,387,778.16 and 20,175,416.56 is: 30,263,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258,499.36 : 81,387,778.16 = 20,175,416.56 : x
  2. Step 2: Convert to fraction form
    54,258,499.36/81,387,778.16 = 20,175,416.56/x
  3. Step 3: Cross multiply
    54,258,499.36x = 81,387,778.16 × 20,175,416.56
  4. Step 4: Simplify right side
    54,258,499.36x = 1,642,032,327,270,870.25
  5. Step 5: Solve for x
    x = 1,642,032,327,270,870.25/54,258,499.36
  6. Step 6: Final answer
    x = 30,263,135.67

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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.