Home / 51,877,987.36-77,815,740.12-16,863,057.64

Finding the Fourth Proportional to 51,877,987.36, 77,815,740.12 and 16,863,057.64

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Solution

The fourth proportional to 51,877,987.36, 77,815,740.12 and 16,863,057.64 is: 25,294,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,877,987.36 : 77,815,740.12 = 16,863,057.64 : x
  2. Step 2: Convert to fraction form
    51,877,987.36/77,815,740.12 = 16,863,057.64/x
  3. Step 3: Cross multiply
    51,877,987.36x = 77,815,740.12 × 16,863,057.64
  4. Step 4: Simplify right side
    51,877,987.36x = 1,312,211,310,942,820.75
  5. Step 5: Solve for x
    x = 1,312,211,310,942,820.75/51,877,987.36
  6. Step 6: Final answer
    x = 25,294,183.10

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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.