Home / 150,108,956.10-207,043,570.57-137,758,930.65

Finding the Fourth Proportional to 150,108,956.10, 207,043,570.57 and 137,758,930.65

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Solution

The fourth proportional to 150,108,956.10, 207,043,570.57 and 137,758,930.65 is: 190,009,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,108,956.10 : 207,043,570.57 = 137,758,930.65 : x
  2. Step 2: Convert to fraction form
    150,108,956.10/207,043,570.57 = 137,758,930.65/x
  3. Step 3: Cross multiply
    150,108,956.10x = 207,043,570.57 × 137,758,930.65
  4. Step 4: Simplify right side
    150,108,956.10x = 28,522,100,879,681,012
  5. Step 5: Solve for x
    x = 28,522,100,879,681,012/150,108,956.10
  6. Step 6: Final answer
    x = 190,009,321.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.