Home / 141,783,339.88-212,712,815.76-50,907,716.20

Finding the Fourth Proportional to 141,783,339.88, 212,712,815.76 and 50,907,716.20

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Solution

The fourth proportional to 141,783,339.88, 212,712,815.76 and 50,907,716.20 is: 76,375,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,783,339.88 : 212,712,815.76 = 50,907,716.20 : x
  2. Step 2: Convert to fraction form
    141,783,339.88/212,712,815.76 = 50,907,716.20/x
  3. Step 3: Cross multiply
    141,783,339.88x = 212,712,815.76 × 50,907,716.20
  4. Step 4: Simplify right side
    141,783,339.88x = 10,828,723,656,812,968
  5. Step 5: Solve for x
    x = 10,828,723,656,812,968/141,783,339.88
  6. Step 6: Final answer
    x = 76,375,148.63

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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.