Home / 285,164,883-393,517,355.22-161,402,902.92

Finding the Fourth Proportional to 285,164,883, 393,517,355.22 and 161,402,902.92

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Solution

The fourth proportional to 285,164,883, 393,517,355.22 and 161,402,902.92 is: 222,730,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,164,883 : 393,517,355.22 = 161,402,902.92 : x
  2. Step 2: Convert to fraction form
    285,164,883/393,517,355.22 = 161,402,902.92/x
  3. Step 3: Cross multiply
    285,164,883x = 393,517,355.22 × 161,402,902.92
  4. Step 4: Simplify right side
    285,164,883x = 63,514,843,481,908,816
  5. Step 5: Solve for x
    x = 63,514,843,481,908,816/285,164,883
  6. Step 6: Final answer
    x = 222,730,242.29

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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.