Home / 343,043,016.72-473,399,002.92-186,409,751.08

Finding the Fourth Proportional to 343,043,016.72, 473,399,002.92 and 186,409,751.08

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Solution

The fourth proportional to 343,043,016.72, 473,399,002.92 and 186,409,751.08 is: 257,245,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,043,016.72 : 473,399,002.92 = 186,409,751.08 : x
  2. Step 2: Convert to fraction form
    343,043,016.72/473,399,002.92 = 186,409,751.08/x
  3. Step 3: Cross multiply
    343,043,016.72x = 473,399,002.92 × 186,409,751.08
  4. Step 4: Simplify right side
    343,043,016.72x = 88,246,190,295,837,408
  5. Step 5: Solve for x
    x = 88,246,190,295,837,408/343,043,016.72
  6. Step 6: Final answer
    x = 257,245,260.78

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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.