Home / 157,999,661.52-218,029,239.24-88,372,965.84

Finding the Fourth Proportional to 157,999,661.52, 218,029,239.24 and 88,372,965.84

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Solution

The fourth proportional to 157,999,661.52, 218,029,239.24 and 88,372,965.84 is: 121,948,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,999,661.52 : 218,029,239.24 = 88,372,965.84 : x
  2. Step 2: Convert to fraction form
    157,999,661.52/218,029,239.24 = 88,372,965.84/x
  3. Step 3: Cross multiply
    157,999,661.52x = 218,029,239.24 × 88,372,965.84
  4. Step 4: Simplify right side
    157,999,661.52x = 19,267,890,511,477,708
  5. Step 5: Solve for x
    x = 19,267,890,511,477,708/157,999,661.52
  6. Step 6: Final answer
    x = 121,948,935.37

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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.