Home / 82,351,390.40-123,571,322.40-34,487,172.80

Finding the Fourth Proportional to 82,351,390.40, 123,571,322.40 and 34,487,172.80

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Solution

The fourth proportional to 82,351,390.40, 123,571,322.40 and 34,487,172.80 is: 51,749,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,351,390.40 : 123,571,322.40 = 34,487,172.80 : x
  2. Step 2: Convert to fraction form
    82,351,390.40/123,571,322.40 = 34,487,172.80/x
  3. Step 3: Cross multiply
    82,351,390.40x = 123,571,322.40 × 34,487,172.80
  4. Step 4: Simplify right side
    82,351,390.40x = 4,261,625,548,733,310.50
  5. Step 5: Solve for x
    x = 4,261,625,548,733,310.50/82,351,390.40
  6. Step 6: Final answer
    x = 51,749,284.72

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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.