Home / 312,322,281.22-431,004,739.53-173,113,957.54

Finding the Fourth Proportional to 312,322,281.22, 431,004,739.53 and 173,113,957.54

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Solution

The fourth proportional to 312,322,281.22, 431,004,739.53 and 173,113,957.54 is: 238,897,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,322,281.22 : 431,004,739.53 = 173,113,957.54 : x
  2. Step 2: Convert to fraction form
    312,322,281.22/431,004,739.53 = 173,113,957.54/x
  3. Step 3: Cross multiply
    312,322,281.22x = 431,004,739.53 × 173,113,957.54
  4. Step 4: Simplify right side
    312,322,281.22x = 74,612,936,178,535,168
  5. Step 5: Solve for x
    x = 74,612,936,178,535,168/312,322,281.22
  6. Step 6: Final answer
    x = 238,897,256.66

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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.