Home / 245,698,521.08-339,066,274.74-139,846,768.52

Finding the Fourth Proportional to 245,698,521.08, 339,066,274.74 and 139,846,768.52

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Solution

The fourth proportional to 245,698,521.08, 339,066,274.74 and 139,846,768.52 is: 192,989,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,698,521.08 : 339,066,274.74 = 139,846,768.52 : x
  2. Step 2: Convert to fraction form
    245,698,521.08/339,066,274.74 = 139,846,768.52/x
  3. Step 3: Cross multiply
    245,698,521.08x = 339,066,274.74 × 139,846,768.52
  4. Step 4: Simplify right side
    245,698,521.08x = 47,417,322,836,503,512
  5. Step 5: Solve for x
    x = 47,417,322,836,503,512/245,698,521.08
  6. Step 6: Final answer
    x = 192,989,858.58

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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.