Home / 54,258,493.32-81,387,769.14-20,175,410.52

Finding the Fourth Proportional to 54,258,493.32, 81,387,769.14 and 20,175,410.52

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Solution

The fourth proportional to 54,258,493.32, 81,387,769.14 and 20,175,410.52 is: 30,263,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258,493.32 : 81,387,769.14 = 20,175,410.52 : x
  2. Step 2: Convert to fraction form
    54,258,493.32/81,387,769.14 = 20,175,410.52/x
  3. Step 3: Cross multiply
    54,258,493.32x = 81,387,769.14 × 20,175,410.52
  4. Step 4: Simplify right side
    54,258,493.32x = 1,642,031,653,706,487.25
  5. Step 5: Solve for x
    x = 1,642,031,653,706,487.25/54,258,493.32
  6. Step 6: Final answer
    x = 30,263,126.62

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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.