Home / 200,760,063.80-276,892,691.28-145,213,850.48

Finding the Fourth Proportional to 200,760,063.80, 276,892,691.28 and 145,213,850.48

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Solution

The fourth proportional to 200,760,063.80, 276,892,691.28 and 145,213,850.48 is: 200,282,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,760,063.80 : 276,892,691.28 = 145,213,850.48 : x
  2. Step 2: Convert to fraction form
    200,760,063.80/276,892,691.28 = 145,213,850.48/x
  3. Step 3: Cross multiply
    200,760,063.80x = 276,892,691.28 × 145,213,850.48
  4. Step 4: Simplify right side
    200,760,063.80x = 40,208,653,870,538,712
  5. Step 5: Solve for x
    x = 40,208,653,870,538,712/200,760,063.80
  6. Step 6: Final answer
    x = 200,282,133.36

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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.