Home / 277,393,669.40-416,109,919.64-111,397,149.05

Finding the Fourth Proportional to 277,393,669.40, 416,109,919.64 and 111,397,149.05

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Solution

The fourth proportional to 277,393,669.40, 416,109,919.64 and 111,397,149.05 is: 167,103,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,393,669.40 : 416,109,919.64 = 111,397,149.05 : x
  2. Step 2: Convert to fraction form
    277,393,669.40/416,109,919.64 = 111,397,149.05/x
  3. Step 3: Cross multiply
    277,393,669.40x = 416,109,919.64 × 111,397,149.05
  4. Step 4: Simplify right side
    277,393,669.40x = 46,353,458,736,683,064
  5. Step 5: Solve for x
    x = 46,353,458,736,683,064/277,393,669.40
  6. Step 6: Final answer
    x = 167,103,520.55

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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.