Home / 155,055,370.55-213,976,431.68-84,490,992.59

Finding the Fourth Proportional to 155,055,370.55, 213,976,431.68 and 84,490,992.59

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Solution

The fourth proportional to 155,055,370.55, 213,976,431.68 and 84,490,992.59 is: 116,597,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,055,370.55 : 213,976,431.68 = 84,490,992.59 : x
  2. Step 2: Convert to fraction form
    155,055,370.55/213,976,431.68 = 84,490,992.59/x
  3. Step 3: Cross multiply
    155,055,370.55x = 213,976,431.68 × 84,490,992.59
  4. Step 4: Simplify right side
    155,055,370.55x = 18,079,081,102,017,184
  5. Step 5: Solve for x
    x = 18,079,081,102,017,184/155,055,370.55
  6. Step 6: Final answer
    x = 116,597,580.84

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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.