Home / 207,360,071.60-311,040,107.40-195,416,135.60

Finding the Fourth Proportional to 207,360,071.60, 311,040,107.40 and 195,416,135.60

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Solution

The fourth proportional to 207,360,071.60, 311,040,107.40 and 195,416,135.60 is: 293,124,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360,071.60 : 311,040,107.40 = 195,416,135.60 : x
  2. Step 2: Convert to fraction form
    207,360,071.60/311,040,107.40 = 195,416,135.60/x
  3. Step 3: Cross multiply
    207,360,071.60x = 311,040,107.40 × 195,416,135.60
  4. Step 4: Simplify right side
    207,360,071.60x = 60,782,255,804,716,960
  5. Step 5: Solve for x
    x = 60,782,255,804,716,960/207,360,071.60
  6. Step 6: Final answer
    x = 293,124,203.40

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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.