Home / 139,415,514.65-209,078,904.68-46,025,097.47

Finding the Fourth Proportional to 139,415,514.65, 209,078,904.68 and 46,025,097.47

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Solution

The fourth proportional to 139,415,514.65, 209,078,904.68 and 46,025,097.47 is: 69,022,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,415,514.65 : 209,078,904.68 = 46,025,097.47 : x
  2. Step 2: Convert to fraction form
    139,415,514.65/209,078,904.68 = 46,025,097.47/x
  3. Step 3: Cross multiply
    139,415,514.65x = 209,078,904.68 × 46,025,097.47
  4. Step 4: Simplify right side
    139,415,514.65x = 9,622,876,966,757,620
  5. Step 5: Solve for x
    x = 9,622,876,966,757,620/139,415,514.65
  6. Step 6: Final answer
    x = 69,022,999.28

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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.