Home / 122,688,709.20-183,876,766.20-65,208,517.20

Finding the Fourth Proportional to 122,688,709.20, 183,876,766.20 and 65,208,517.20

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Solution

The fourth proportional to 122,688,709.20, 183,876,766.20 and 65,208,517.20 is: 97,729,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688,709.20 : 183,876,766.20 = 65,208,517.20 : x
  2. Step 2: Convert to fraction form
    122,688,709.20/183,876,766.20 = 65,208,517.20/x
  3. Step 3: Cross multiply
    122,688,709.20x = 183,876,766.20 × 65,208,517.20
  4. Step 4: Simplify right side
    122,688,709.20x = 11,990,331,271,433,078
  5. Step 5: Solve for x
    x = 11,990,331,271,433,078/122,688,709.20
  6. Step 6: Final answer
    x = 97,729,704.30

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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.