Home / 325,574,781.51-449,293,095.38-178,906,513.35

Finding the Fourth Proportional to 325,574,781.51, 449,293,095.38 and 178,906,513.35

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Solution

The fourth proportional to 325,574,781.51, 449,293,095.38 and 178,906,513.35 is: 246,890,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,574,781.51 : 449,293,095.38 = 178,906,513.35 : x
  2. Step 2: Convert to fraction form
    325,574,781.51/449,293,095.38 = 178,906,513.35/x
  3. Step 3: Cross multiply
    325,574,781.51x = 449,293,095.38 × 178,906,513.35
  4. Step 4: Simplify right side
    325,574,781.51x = 80,381,461,165,770,256
  5. Step 5: Solve for x
    x = 80,381,461,165,770,256/325,574,781.51
  6. Step 6: Final answer
    x = 246,890,931.76

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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.