Home / 168,039,435.80-252,059,153.70-40,388,619.80

Finding the Fourth Proportional to 168,039,435.80, 252,059,153.70 and 40,388,619.80

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Solution

The fourth proportional to 168,039,435.80, 252,059,153.70 and 40,388,619.80 is: 60,582,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039,435.80 : 252,059,153.70 = 40,388,619.80 : x
  2. Step 2: Convert to fraction form
    168,039,435.80/252,059,153.70 = 40,388,619.80/x
  3. Step 3: Cross multiply
    168,039,435.80x = 252,059,153.70 × 40,388,619.80
  4. Step 4: Simplify right side
    168,039,435.80x = 10,180,321,325,899,062
  5. Step 5: Solve for x
    x = 10,180,321,325,899,062/168,039,435.80
  6. Step 6: Final answer
    x = 60,582,929.70

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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.