Home / 158,171,905.88-218,274,792.15-88,559,777.89

Finding the Fourth Proportional to 158,171,905.88, 218,274,792.15 and 88,559,777.89

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Solution

The fourth proportional to 158,171,905.88, 218,274,792.15 and 88,559,777.89 is: 122,211,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,171,905.88 : 218,274,792.15 = 88,559,777.89 : x
  2. Step 2: Convert to fraction form
    158,171,905.88/218,274,792.15 = 88,559,777.89/x
  3. Step 3: Cross multiply
    158,171,905.88x = 218,274,792.15 × 88,559,777.89
  4. Step 4: Simplify right side
    158,171,905.88x = 19,330,367,112,394,860
  5. Step 5: Solve for x
    x = 19,330,367,112,394,860/158,171,905.88
  6. Step 6: Final answer
    x = 122,211,128.49

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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.