Home / 73,218,242.45-101,042,718.21-40,178,202.58

Finding the Fourth Proportional to 73,218,242.45, 101,042,718.21 and 40,178,202.58

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Solution

The fourth proportional to 73,218,242.45, 101,042,718.21 and 40,178,202.58 is: 55,446,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218,242.45 : 101,042,718.21 = 40,178,202.58 : x
  2. Step 2: Convert to fraction form
    73,218,242.45/101,042,718.21 = 40,178,202.58/x
  3. Step 3: Cross multiply
    73,218,242.45x = 101,042,718.21 × 40,178,202.58
  4. Step 4: Simplify right side
    73,218,242.45x = 4,059,714,800,970,021.50
  5. Step 5: Solve for x
    x = 4,059,714,800,970,021.50/73,218,242.45
  6. Step 6: Final answer
    x = 55,446,766.61

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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.