Home / 161,045,267.72-222,248,760.54-91,437,125

Finding the Fourth Proportional to 161,045,267.72, 222,248,760.54 and 91,437,125

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Solution

The fourth proportional to 161,045,267.72, 222,248,760.54 and 91,437,125 is: 126,186,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,045,267.72 : 222,248,760.54 = 91,437,125 : x
  2. Step 2: Convert to fraction form
    161,045,267.72/222,248,760.54 = 91,437,125/x
  3. Step 3: Cross multiply
    161,045,267.72x = 222,248,760.54 × 91,437,125
  4. Step 4: Simplify right side
    161,045,267.72x = 20,321,787,698,591,048
  5. Step 5: Solve for x
    x = 20,321,787,698,591,048/161,045,267.72
  6. Step 6: Final answer
    x = 126,186,804.41

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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.