Home / 199,154,589,623.86-274,834,161,722.29-107,703,140,446.21

Finding the Fourth Proportional to 199,154,589,623.86, 274,834,161,722.29 and 107,703,140,446.21

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Solution

The fourth proportional to 199,154,589,623.86, 274,834,161,722.29 and 107,703,140,446.21 is: 148,630,781,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154,589,623.86 : 274,834,161,722.29 = 107,703,140,446.21 : x
  2. Step 2: Convert to fraction form
    199,154,589,623.86/274,834,161,722.29 = 107,703,140,446.21/x
  3. Step 3: Cross multiply
    199,154,589,623.86x = 274,834,161,722.29 × 107,703,140,446.21
  4. Step 4: Simplify right side
    199,154,589,623.86x = 29,600,502,319,392,193,773,568
  5. Step 5: Solve for x
    x = 29,600,502,319,392,193,773,568/199,154,589,623.86
  6. Step 6: Final answer
    x = 148,630,781,621.95

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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.