Home / 223,359,962,661.20-308,236,328,725.92-121,861,916,743.52

Finding the Fourth Proportional to 223,359,962,661.20, 308,236,328,725.92 and 121,861,916,743.52

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Solution

The fourth proportional to 223,359,962,661.20, 308,236,328,725.92 and 121,861,916,743.52 is: 168,169,216,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,359,962,661.20 : 308,236,328,725.92 = 121,861,916,743.52 : x
  2. Step 2: Convert to fraction form
    223,359,962,661.20/308,236,328,725.92 = 121,861,916,743.52/x
  3. Step 3: Cross multiply
    223,359,962,661.20x = 308,236,328,725.92 × 121,861,916,743.52
  4. Step 4: Simplify right side
    223,359,962,661.20x = 37,562,269,828,526,324,580,352
  5. Step 5: Solve for x
    x = 37,562,269,828,526,324,580,352/223,359,962,661.20
  6. Step 6: Final answer
    x = 168,169,216,098.51

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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.