Home / 168,598,979.20-252,835,483.20-117,328,700.80

Finding the Fourth Proportional to 168,598,979.20, 252,835,483.20 and 117,328,700.80

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Solution

The fourth proportional to 168,598,979.20, 252,835,483.20 and 117,328,700.80 is: 175,949,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,598,979.20 : 252,835,483.20 = 117,328,700.80 : x
  2. Step 2: Convert to fraction form
    168,598,979.20/252,835,483.20 = 117,328,700.80/x
  3. Step 3: Cross multiply
    168,598,979.20x = 252,835,483.20 × 117,328,700.80
  4. Step 4: Simplify right side
    168,598,979.20x = 29,664,858,759,996,224
  5. Step 5: Solve for x
    x = 29,664,858,759,996,224/168,598,979.20
  6. Step 6: Final answer
    x = 175,949,219.27

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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.