Home / 212,584,823.41-318,877,239.21-51,026,759.41

Finding the Fourth Proportional to 212,584,823.41, 318,877,239.21 and 51,026,759.41

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Solution

The fourth proportional to 212,584,823.41, 318,877,239.21 and 51,026,759.41 is: 76,540,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,823.41 : 318,877,239.21 = 51,026,759.41 : x
  2. Step 2: Convert to fraction form
    212,584,823.41/318,877,239.21 = 51,026,759.41/x
  3. Step 3: Cross multiply
    212,584,823.41x = 318,877,239.21 × 51,026,759.41
  4. Step 4: Simplify right side
    212,584,823.41x = 16,271,272,166,493,686
  5. Step 5: Solve for x
    x = 16,271,272,166,493,686/212,584,823.41
  6. Step 6: Final answer
    x = 76,540,140.10

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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.