Home / 324,282,806.64-486,424,054.22-78,639,400.26

Finding the Fourth Proportional to 324,282,806.64, 486,424,054.22 and 78,639,400.26

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Solution

The fourth proportional to 324,282,806.64, 486,424,054.22 and 78,639,400.26 is: 117,959,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,282,806.64 : 486,424,054.22 = 78,639,400.26 : x
  2. Step 2: Convert to fraction form
    324,282,806.64/486,424,054.22 = 78,639,400.26/x
  3. Step 3: Cross multiply
    324,282,806.64x = 486,424,054.22 × 78,639,400.26
  4. Step 4: Simplify right side
    324,282,806.64x = 38,252,095,895,505,328
  5. Step 5: Solve for x
    x = 38,252,095,895,505,328/324,282,806.64
  6. Step 6: Final answer
    x = 117,959,062.62

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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.