Home / 140,310,879.24-210,467,979.61-84,990,777.57

Finding the Fourth Proportional to 140,310,879.24, 210,467,979.61 and 84,990,777.57

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Solution

The fourth proportional to 140,310,879.24, 210,467,979.61 and 84,990,777.57 is: 127,487,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,310,879.24 : 210,467,979.61 = 84,990,777.57 : x
  2. Step 2: Convert to fraction form
    140,310,879.24/210,467,979.61 = 84,990,777.57/x
  3. Step 3: Cross multiply
    140,310,879.24x = 210,467,979.61 × 84,990,777.57
  4. Step 4: Simplify right side
    140,310,879.24x = 17,887,837,240,640,806
  5. Step 5: Solve for x
    x = 17,887,837,240,640,806/140,310,879.24
  6. Step 6: Final answer
    x = 127,487,172.32

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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.