Home / 161,250,610.68-222,525,835.74-91,636,126.20

Finding the Fourth Proportional to 161,250,610.68, 222,525,835.74 and 91,636,126.20

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Solution

The fourth proportional to 161,250,610.68, 222,525,835.74 and 91,636,126.20 is: 126,457,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,250,610.68 : 222,525,835.74 = 91,636,126.20 : x
  2. Step 2: Convert to fraction form
    161,250,610.68/222,525,835.74 = 91,636,126.20/x
  3. Step 3: Cross multiply
    161,250,610.68x = 222,525,835.74 × 91,636,126.20
  4. Step 4: Simplify right side
    161,250,610.68x = 20,391,405,566,631,112
  5. Step 5: Solve for x
    x = 20,391,405,566,631,112/161,250,610.68
  6. Step 6: Final answer
    x = 126,457,850.18

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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.