Home / 239,904,900.42-359,990,137.06-117,084,235.21

Finding the Fourth Proportional to 239,904,900.42, 359,990,137.06 and 117,084,235.21

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Solution

The fourth proportional to 239,904,900.42, 359,990,137.06 and 117,084,235.21 is: 175,691,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,904,900.42 : 359,990,137.06 = 117,084,235.21 : x
  2. Step 2: Convert to fraction form
    239,904,900.42/359,990,137.06 = 117,084,235.21/x
  3. Step 3: Cross multiply
    239,904,900.42x = 359,990,137.06 × 117,084,235.21
  4. Step 4: Simplify right side
    239,904,900.42x = 42,149,169,880,813,176
  5. Step 5: Solve for x
    x = 42,149,169,880,813,176/239,904,900.42
  6. Step 6: Final answer
    x = 175,691,158.48

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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.