Home / 392,166,104.96-541,178,651.84-218,325,864.32

Finding the Fourth Proportional to 392,166,104.96, 541,178,651.84 and 218,325,864.32

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Solution

The fourth proportional to 392,166,104.96, 541,178,651.84 and 218,325,864.32 is: 301,283,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,166,104.96 : 541,178,651.84 = 218,325,864.32 : x
  2. Step 2: Convert to fraction form
    392,166,104.96/541,178,651.84 = 218,325,864.32/x
  3. Step 3: Cross multiply
    392,166,104.96x = 541,178,651.84 × 218,325,864.32
  4. Step 4: Simplify right side
    392,166,104.96x = 118,153,296,914,500,368
  5. Step 5: Solve for x
    x = 118,153,296,914,500,368/392,166,104.96
  6. Step 6: Final answer
    x = 301,283,806.58

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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.