Home / 288,029,137.14-397,481,198.49-155,870,098.47

Finding the Fourth Proportional to 288,029,137.14, 397,481,198.49 and 155,870,098.47

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Solution

The fourth proportional to 288,029,137.14, 397,481,198.49 and 155,870,098.47 is: 215,101,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,029,137.14 : 397,481,198.49 = 155,870,098.47 : x
  2. Step 2: Convert to fraction form
    288,029,137.14/397,481,198.49 = 155,870,098.47/x
  3. Step 3: Cross multiply
    288,029,137.14x = 397,481,198.49 × 155,870,098.47
  4. Step 4: Simplify right side
    288,029,137.14x = 61,955,433,548,609,920
  5. Step 5: Solve for x
    x = 61,955,433,548,609,920/288,029,137.14
  6. Step 6: Final answer
    x = 215,101,271.22

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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.