Home / 277,400,923.54-416,049,363.72-139,189,420.78

Finding the Fourth Proportional to 277,400,923.54, 416,049,363.72 and 139,189,420.78

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Solution

The fourth proportional to 277,400,923.54, 416,049,363.72 and 139,189,420.78 is: 208,758,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,400,923.54 : 416,049,363.72 = 139,189,420.78 : x
  2. Step 2: Convert to fraction form
    277,400,923.54/416,049,363.72 = 139,189,420.78/x
  3. Step 3: Cross multiply
    277,400,923.54x = 416,049,363.72 × 139,189,420.78
  4. Step 4: Simplify right side
    277,400,923.54x = 57,909,669,952,074,352
  5. Step 5: Solve for x
    x = 57,909,669,952,074,352/277,400,923.54
  6. Step 6: Final answer
    x = 208,758,028.68

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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.