Home / 386,165,709.60-579,192,577.20-113,508,045.60

Finding the Fourth Proportional to 386,165,709.60, 579,192,577.20 and 113,508,045.60

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Solution

The fourth proportional to 386,165,709.60, 579,192,577.20 and 113,508,045.60 is: 170,245,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,165,709.60 : 579,192,577.20 = 113,508,045.60 : x
  2. Step 2: Convert to fraction form
    386,165,709.60/579,192,577.20 = 113,508,045.60/x
  3. Step 3: Cross multiply
    386,165,709.60x = 579,192,577.20 × 113,508,045.60
  4. Step 4: Simplify right side
    386,165,709.60x = 65,743,017,463,999,120
  5. Step 5: Solve for x
    x = 65,743,017,463,999,120/386,165,709.60
  6. Step 6: Final answer
    x = 170,245,611.74

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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.