Home / 254,202,458.40-381,303,687.60-69,969,578.40

Finding the Fourth Proportional to 254,202,458.40, 381,303,687.60 and 69,969,578.40

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Solution

The fourth proportional to 254,202,458.40, 381,303,687.60 and 69,969,578.40 is: 104,954,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,202,458.40 : 381,303,687.60 = 69,969,578.40 : x
  2. Step 2: Convert to fraction form
    254,202,458.40/381,303,687.60 = 69,969,578.40/x
  3. Step 3: Cross multiply
    254,202,458.40x = 381,303,687.60 × 69,969,578.40
  4. Step 4: Simplify right side
    254,202,458.40x = 26,679,658,263,737,312
  5. Step 5: Solve for x
    x = 26,679,658,263,737,312/254,202,458.40
  6. Step 6: Final answer
    x = 104,954,367.60

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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.