Home / 277,400,920.78-416,049,359.61-139,189,418.03

Finding the Fourth Proportional to 277,400,920.78, 416,049,359.61 and 139,189,418.03

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Solution

The fourth proportional to 277,400,920.78, 416,049,359.61 and 139,189,418.03 is: 208,758,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,400,920.78 : 416,049,359.61 = 139,189,418.03 : x
  2. Step 2: Convert to fraction form
    277,400,920.78/416,049,359.61 = 139,189,418.03/x
  3. Step 3: Cross multiply
    277,400,920.78x = 416,049,359.61 × 139,189,418.03
  4. Step 4: Simplify right side
    277,400,920.78x = 57,909,668,235,870,088
  5. Step 5: Solve for x
    x = 57,909,668,235,870,088/277,400,920.78
  6. Step 6: Final answer
    x = 208,758,024.57

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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.