Home / 202,275,357-279,140,732.82-109,455,865.80

Finding the Fourth Proportional to 202,275,357, 279,140,732.82 and 109,455,865.80

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Solution

The fourth proportional to 202,275,357, 279,140,732.82 and 109,455,865.80 is: 151,049,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,275,357 : 279,140,732.82 = 109,455,865.80 : x
  2. Step 2: Convert to fraction form
    202,275,357/279,140,732.82 = 109,455,865.80/x
  3. Step 3: Cross multiply
    202,275,357x = 279,140,732.82 × 109,455,865.80
  4. Step 4: Simplify right side
    202,275,357x = 30,553,590,590,859,572
  5. Step 5: Solve for x
    x = 30,553,590,590,859,572/202,275,357
  6. Step 6: Final answer
    x = 151,049,495.32

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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.