Home / 139,234,080,081.69-208,850,859,443.78-43,627,418,042.73

Finding the Fourth Proportional to 139,234,080,081.69, 208,850,859,443.78 and 43,627,418,042.73

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Solution

The fourth proportional to 139,234,080,081.69, 208,850,859,443.78 and 43,627,418,042.73 is: 65,441,045,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,234,080,081.69 : 208,850,859,443.78 = 43,627,418,042.73 : x
  2. Step 2: Convert to fraction form
    139,234,080,081.69/208,850,859,443.78 = 43,627,418,042.73/x
  3. Step 3: Cross multiply
    139,234,080,081.69x = 208,850,859,443.78 × 43,627,418,042.73
  4. Step 4: Simplify right side
    139,234,080,081.69x = 9,111,623,753,537,653,047,296
  5. Step 5: Solve for x
    x = 9,111,623,753,537,653,047,296/139,234,080,081.69
  6. Step 6: Final answer
    x = 65,441,045,383.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.