Home / 368,206,787.79-508,136,139.81-200,953,776.47

Finding the Fourth Proportional to 368,206,787.79, 508,136,139.81 and 200,953,776.47

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Solution

The fourth proportional to 368,206,787.79, 508,136,139.81 and 200,953,776.47 is: 277,322,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,206,787.79 : 508,136,139.81 = 200,953,776.47 : x
  2. Step 2: Convert to fraction form
    368,206,787.79/508,136,139.81 = 200,953,776.47/x
  3. Step 3: Cross multiply
    368,206,787.79x = 508,136,139.81 × 200,953,776.47
  4. Step 4: Simplify right side
    368,206,787.79x = 102,111,876,253,166,736
  5. Step 5: Solve for x
    x = 102,111,876,253,166,736/368,206,787.79
  6. Step 6: Final answer
    x = 277,322,090.84

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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.