Home / 54,198,878.10-81,271,417.05-19,653,900.90

Finding the Fourth Proportional to 54,198,878.10, 81,271,417.05 and 19,653,900.90

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Solution

The fourth proportional to 54,198,878.10, 81,271,417.05 and 19,653,900.90 is: 29,471,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198,878.10 : 81,271,417.05 = 19,653,900.90 : x
  2. Step 2: Convert to fraction form
    54,198,878.10/81,271,417.05 = 19,653,900.90/x
  3. Step 3: Cross multiply
    54,198,878.10x = 81,271,417.05 × 19,653,900.90
  4. Step 4: Simplify right side
    54,198,878.10x = 1,597,300,376,703,270.25
  5. Step 5: Solve for x
    x = 1,597,300,376,703,270.25/54,198,878.10
  6. Step 6: Final answer
    x = 29,471,096.68

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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.