Home / 195,389,889.08-269,646,842.40-117,071,761.12

Finding the Fourth Proportional to 195,389,889.08, 269,646,842.40 and 117,071,761.12

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Solution

The fourth proportional to 195,389,889.08, 269,646,842.40 and 117,071,761.12 is: 161,564,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,389,889.08 : 269,646,842.40 = 117,071,761.12 : x
  2. Step 2: Convert to fraction form
    195,389,889.08/269,646,842.40 = 117,071,761.12/x
  3. Step 3: Cross multiply
    195,389,889.08x = 269,646,842.40 × 117,071,761.12
  4. Step 4: Simplify right side
    195,389,889.08x = 31,568,030,720,215,084
  5. Step 5: Solve for x
    x = 31,568,030,720,215,084/195,389,889.08
  6. Step 6: Final answer
    x = 161,564,300.33

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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.