Home / 165,356,321.58-228,183,040.71-91,002,671.28

Finding the Fourth Proportional to 165,356,321.58, 228,183,040.71 and 91,002,671.28

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Solution

The fourth proportional to 165,356,321.58, 228,183,040.71 and 91,002,671.28 is: 125,578,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356,321.58 : 228,183,040.71 = 91,002,671.28 : x
  2. Step 2: Convert to fraction form
    165,356,321.58/228,183,040.71 = 91,002,671.28/x
  3. Step 3: Cross multiply
    165,356,321.58x = 228,183,040.71 × 91,002,671.28
  4. Step 4: Simplify right side
    165,356,321.58x = 20,765,266,245,402,988
  5. Step 5: Solve for x
    x = 20,765,266,245,402,988/165,356,321.58
  6. Step 6: Final answer
    x = 125,578,907.70

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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.