Home / 54,198,462.60-81,270,793.80-19,653,485.40

Finding the Fourth Proportional to 54,198,462.60, 81,270,793.80 and 19,653,485.40

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Solution

The fourth proportional to 54,198,462.60, 81,270,793.80 and 19,653,485.40 is: 29,470,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198,462.60 : 81,270,793.80 = 19,653,485.40 : x
  2. Step 2: Convert to fraction form
    54,198,462.60/81,270,793.80 = 19,653,485.40/x
  3. Step 3: Cross multiply
    54,198,462.60x = 81,270,793.80 × 19,653,485.40
  4. Step 4: Simplify right side
    54,198,462.60x = 1,597,254,359,394,710.25
  5. Step 5: Solve for x
    x = 1,597,254,359,394,710.25/54,198,462.60
  6. Step 6: Final answer
    x = 29,470,473.57

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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.