Home / 51,815,478.80-77,723,218.20-15,909,021.20

Finding the Fourth Proportional to 51,815,478.80, 77,723,218.20 and 15,909,021.20

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Solution

The fourth proportional to 51,815,478.80, 77,723,218.20 and 15,909,021.20 is: 23,863,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815,478.80 : 77,723,218.20 = 15,909,021.20 : x
  2. Step 2: Convert to fraction form
    51,815,478.80/77,723,218.20 = 15,909,021.20/x
  3. Step 3: Cross multiply
    51,815,478.80x = 77,723,218.20 × 15,909,021.20
  4. Step 4: Simplify right side
    51,815,478.80x = 1,236,500,326,076,025.75
  5. Step 5: Solve for x
    x = 1,236,500,326,076,025.75/51,815,478.80
  6. Step 6: Final answer
    x = 23,863,531.80

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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.