Home / 200,760,062.80-276,892,689.90-145,213,849.48

Finding the Fourth Proportional to 200,760,062.80, 276,892,689.90 and 145,213,849.48

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Solution

The fourth proportional to 200,760,062.80, 276,892,689.90 and 145,213,849.48 is: 200,282,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,760,062.80 : 276,892,689.90 = 145,213,849.48 : x
  2. Step 2: Convert to fraction form
    200,760,062.80/276,892,689.90 = 145,213,849.48/x
  3. Step 3: Cross multiply
    200,760,062.80x = 276,892,689.90 × 145,213,849.48
  4. Step 4: Simplify right side
    200,760,062.80x = 40,208,653,393,250,912
  5. Step 5: Solve for x
    x = 40,208,653,393,250,912/200,760,062.80
  6. Step 6: Final answer
    x = 200,282,131.98

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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.