Home / 259,561,545.12-358,194,905.64-142,086,954.96

Finding the Fourth Proportional to 259,561,545.12, 358,194,905.64 and 142,086,954.96

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Solution

The fourth proportional to 259,561,545.12, 358,194,905.64 and 142,086,954.96 is: 196,079,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,561,545.12 : 358,194,905.64 = 142,086,954.96 : x
  2. Step 2: Convert to fraction form
    259,561,545.12/358,194,905.64 = 142,086,954.96/x
  3. Step 3: Cross multiply
    259,561,545.12x = 358,194,905.64 × 142,086,954.96
  4. Step 4: Simplify right side
    259,561,545.12x = 50,894,823,424,572,128
  5. Step 5: Solve for x
    x = 50,894,823,424,572,128/259,561,545.12
  6. Step 6: Final answer
    x = 196,079,983.27

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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.