Home / 154,729,791.33-213,528,237.69-84,166,010.79

Finding the Fourth Proportional to 154,729,791.33, 213,528,237.69 and 84,166,010.79

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Solution

The fourth proportional to 154,729,791.33, 213,528,237.69 and 84,166,010.79 is: 116,149,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,729,791.33 : 213,528,237.69 = 84,166,010.79 : x
  2. Step 2: Convert to fraction form
    154,729,791.33/213,528,237.69 = 84,166,010.79/x
  3. Step 3: Cross multiply
    154,729,791.33x = 213,528,237.69 × 84,166,010.79
  4. Step 4: Simplify right side
    154,729,791.33x = 17,971,819,957,386,226
  5. Step 5: Solve for x
    x = 17,971,819,957,386,226/154,729,791.33
  6. Step 6: Final answer
    x = 116,149,707.20

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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.