Home / 51,551,860.20-77,326,040.70-13,213,750.20

Finding the Fourth Proportional to 51,551,860.20, 77,326,040.70 and 13,213,750.20

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Solution

The fourth proportional to 51,551,860.20, 77,326,040.70 and 13,213,750.20 is: 19,820,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551,860.20 : 77,326,040.70 = 13,213,750.20 : x
  2. Step 2: Convert to fraction form
    51,551,860.20/77,326,040.70 = 13,213,750.20/x
  3. Step 3: Cross multiply
    51,551,860.20x = 77,326,040.70 × 13,213,750.20
  4. Step 4: Simplify right side
    51,551,860.20x = 1,021,766,985,764,833.12
  5. Step 5: Solve for x
    x = 1,021,766,985,764,833.12/51,551,860.20
  6. Step 6: Final answer
    x = 19,820,176.84

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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.