Home / 143,302,593.47-214,638,814.44-118,428,617.75

Finding the Fourth Proportional to 143,302,593.47, 214,638,814.44 and 118,428,617.75

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Solution

The fourth proportional to 143,302,593.47, 214,638,814.44 and 118,428,617.75 is: 177,382,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,302,593.47 : 214,638,814.44 = 118,428,617.75 : x
  2. Step 2: Convert to fraction form
    143,302,593.47/214,638,814.44 = 118,428,617.75/x
  3. Step 3: Cross multiply
    143,302,593.47x = 214,638,814.44 × 118,428,617.75
  4. Step 4: Simplify right side
    143,302,593.47x = 25,419,378,108,554,748
  5. Step 5: Solve for x
    x = 25,419,378,108,554,748/143,302,593.47
  6. Step 6: Final answer
    x = 177,382,540.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.