Home / 54,911,669.97-75,777,896.60-30,132,271.40

Finding the Fourth Proportional to 54,911,669.97, 75,777,896.60 and 30,132,271.40

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Solution

The fourth proportional to 54,911,669.97, 75,777,896.60 and 30,132,271.40 is: 41,582,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911,669.97 : 75,777,896.60 = 30,132,271.40 : x
  2. Step 2: Convert to fraction form
    54,911,669.97/75,777,896.60 = 30,132,271.40/x
  3. Step 3: Cross multiply
    54,911,669.97x = 75,777,896.60 × 30,132,271.40
  4. Step 4: Simplify right side
    54,911,669.97x = 2,283,360,145,942,786.50
  5. Step 5: Solve for x
    x = 2,283,360,145,942,786.50/54,911,669.97
  6. Step 6: Final answer
    x = 41,582,420.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.