Home / 181,805,918.31-250,884,918.68-102,419,130.51

Finding the Fourth Proportional to 181,805,918.31, 250,884,918.68 and 102,419,130.51

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Solution

The fourth proportional to 181,805,918.31, 250,884,918.68 and 102,419,130.51 is: 141,334,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805,918.31 : 250,884,918.68 = 102,419,130.51 : x
  2. Step 2: Convert to fraction form
    181,805,918.31/250,884,918.68 = 102,419,130.51/x
  3. Step 3: Cross multiply
    181,805,918.31x = 250,884,918.68 × 102,419,130.51
  4. Step 4: Simplify right side
    181,805,918.31x = 25,695,415,228,765,564
  5. Step 5: Solve for x
    x = 25,695,415,228,765,564/181,805,918.31
  6. Step 6: Final answer
    x = 141,334,316.66

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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.