Home / 171,911,755.89-257,867,713.68-55,327,095.49

Finding the Fourth Proportional to 171,911,755.89, 257,867,713.68 and 55,327,095.49

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Solution

The fourth proportional to 171,911,755.89, 257,867,713.68 and 55,327,095.49 is: 82,990,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,911,755.89 : 257,867,713.68 = 55,327,095.49 : x
  2. Step 2: Convert to fraction form
    171,911,755.89/257,867,713.68 = 55,327,095.49/x
  3. Step 3: Cross multiply
    171,911,755.89x = 257,867,713.68 × 55,327,095.49
  4. Step 4: Simplify right side
    171,911,755.89x = 14,267,071,618,561,340
  5. Step 5: Solve for x
    x = 14,267,071,618,561,340/171,911,755.89
  6. Step 6: Final answer
    x = 82,990,668.93

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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.