Home / 55,286,920.80-82,930,381.20-54,436,615.20

Finding the Fourth Proportional to 55,286,920.80, 82,930,381.20 and 54,436,615.20

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Solution

The fourth proportional to 55,286,920.80, 82,930,381.20 and 54,436,615.20 is: 81,654,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,286,920.80 : 82,930,381.20 = 54,436,615.20 : x
  2. Step 2: Convert to fraction form
    55,286,920.80/82,930,381.20 = 54,436,615.20/x
  3. Step 3: Cross multiply
    55,286,920.80x = 82,930,381.20 × 54,436,615.20
  4. Step 4: Simplify right side
    55,286,920.80x = 4,514,449,249,773,715
  5. Step 5: Solve for x
    x = 4,514,449,249,773,715/55,286,920.80
  6. Step 6: Final answer
    x = 81,654,922.80

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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.