Home / 402,054,636.25-603,116,691.32-110,921,759.40

Finding the Fourth Proportional to 402,054,636.25, 603,116,691.32 and 110,921,759.40

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Solution

The fourth proportional to 402,054,636.25, 603,116,691.32 and 110,921,759.40 is: 166,392,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,054,636.25 : 603,116,691.32 = 110,921,759.40 : x
  2. Step 2: Convert to fraction form
    402,054,636.25/603,116,691.32 = 110,921,759.40/x
  3. Step 3: Cross multiply
    402,054,636.25x = 603,116,691.32 × 110,921,759.40
  4. Step 4: Simplify right side
    402,054,636.25x = 66,898,764,524,721,120
  5. Step 5: Solve for x
    x = 66,898,764,524,721,120/402,054,636.25
  6. Step 6: Final answer
    x = 166,392,222.58

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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.