Home / 255,396,234.63-352,446,801.71-137,921,554.49

Finding the Fourth Proportional to 255,396,234.63, 352,446,801.71 and 137,921,554.49

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Solution

The fourth proportional to 255,396,234.63, 352,446,801.71 and 137,921,554.49 is: 190,331,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,396,234.63 : 352,446,801.71 = 137,921,554.49 : x
  2. Step 2: Convert to fraction form
    255,396,234.63/352,446,801.71 = 137,921,554.49/x
  3. Step 3: Cross multiply
    255,396,234.63x = 352,446,801.71 × 137,921,554.49
  4. Step 4: Simplify right side
    255,396,234.63x = 48,610,010,766,871,992
  5. Step 5: Solve for x
    x = 48,610,010,766,871,992/255,396,234.63
  6. Step 6: Final answer
    x = 190,331,744.07

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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.