Home / 45,554,881.20-68,338,315.80-16,821,200.40

Finding the Fourth Proportional to 45,554,881.20, 68,338,315.80 and 16,821,200.40

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Solution

The fourth proportional to 45,554,881.20, 68,338,315.80 and 16,821,200.40 is: 25,234,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,881.20 : 68,338,315.80 = 16,821,200.40 : x
  2. Step 2: Convert to fraction form
    45,554,881.20/68,338,315.80 = 16,821,200.40/x
  3. Step 3: Cross multiply
    45,554,881.20x = 68,338,315.80 × 16,821,200.40
  4. Step 4: Simplify right side
    45,554,881.20x = 1,149,532,505,070,286.25
  5. Step 5: Solve for x
    x = 1,149,532,505,070,286.25/45,554,881.20
  6. Step 6: Final answer
    x = 25,234,013.89

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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.