Home / 116,760,101.38-161,102,208.21-69,708,017.45

Finding the Fourth Proportional to 116,760,101.38, 161,102,208.21 and 69,708,017.45

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Solution

The fourth proportional to 116,760,101.38, 161,102,208.21 and 69,708,017.45 is: 96,181,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,760,101.38 : 161,102,208.21 = 69,708,017.45 : x
  2. Step 2: Convert to fraction form
    116,760,101.38/161,102,208.21 = 69,708,017.45/x
  3. Step 3: Cross multiply
    116,760,101.38x = 161,102,208.21 × 69,708,017.45
  4. Step 4: Simplify right side
    116,760,101.38x = 11,230,115,541,136,214
  5. Step 5: Solve for x
    x = 11,230,115,541,136,214/116,760,101.38
  6. Step 6: Final answer
    x = 96,181,104.75

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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.