Home / 165,622,349.67-228,555,842.36-90,269,329.47

Finding the Fourth Proportional to 165,622,349.67, 228,555,842.36 and 90,269,329.47

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Solution

The fourth proportional to 165,622,349.67, 228,555,842.36 and 90,269,329.47 is: 124,570,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,622,349.67 : 228,555,842.36 = 90,269,329.47 : x
  2. Step 2: Convert to fraction form
    165,622,349.67/228,555,842.36 = 90,269,329.47/x
  3. Step 3: Cross multiply
    165,622,349.67x = 228,555,842.36 × 90,269,329.47
  4. Step 4: Simplify right side
    165,622,349.67x = 20,631,582,636,288,224
  5. Step 5: Solve for x
    x = 20,631,582,636,288,224/165,622,349.67
  6. Step 6: Final answer
    x = 124,570,039.47

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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.