Home / 55,078,950.80-82,626,299.40-18,689,020.40

Finding the Fourth Proportional to 55,078,950.80, 82,626,299.40 and 18,689,020.40

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Solution

The fourth proportional to 55,078,950.80, 82,626,299.40 and 18,689,020.40 is: 28,036,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078,950.80 : 82,626,299.40 = 18,689,020.40 : x
  2. Step 2: Convert to fraction form
    55,078,950.80/82,626,299.40 = 18,689,020.40/x
  3. Step 3: Cross multiply
    55,078,950.80x = 82,626,299.40 × 18,689,020.40
  4. Step 4: Simplify right side
    55,078,950.80x = 1,544,204,595,063,107.75
  5. Step 5: Solve for x
    x = 1,544,204,595,063,107.75/55,078,950.80
  6. Step 6: Final answer
    x = 28,036,202.08

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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.