Home / 121,707,521.86-182,582,540.43-53,548,442.14

Finding the Fourth Proportional to 121,707,521.86, 182,582,540.43 and 53,548,442.14

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Solution

The fourth proportional to 121,707,521.86, 182,582,540.43 and 53,548,442.14 is: 80,332,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,707,521.86 : 182,582,540.43 = 53,548,442.14 : x
  2. Step 2: Convert to fraction form
    121,707,521.86/182,582,540.43 = 53,548,442.14/x
  3. Step 3: Cross multiply
    121,707,521.86x = 182,582,540.43 × 53,548,442.14
  4. Step 4: Simplify right side
    121,707,521.86x = 9,777,010,601,990,066
  5. Step 5: Solve for x
    x = 9,777,010,601,990,066/121,707,521.86
  6. Step 6: Final answer
    x = 80,332,016.07

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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.