Home / 168,509,911.80-252,764,867.70-117,449,585.40

Finding the Fourth Proportional to 168,509,911.80, 252,764,867.70 and 117,449,585.40

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Solution

The fourth proportional to 168,509,911.80, 252,764,867.70 and 117,449,585.40 is: 176,174,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,509,911.80 : 252,764,867.70 = 117,449,585.40 : x
  2. Step 2: Convert to fraction form
    168,509,911.80/252,764,867.70 = 117,449,585.40/x
  3. Step 3: Cross multiply
    168,509,911.80x = 252,764,867.70 × 117,449,585.40
  4. Step 4: Simplify right side
    168,509,911.80x = 29,687,128,915,050,852
  5. Step 5: Solve for x
    x = 29,687,128,915,050,852/168,509,911.80
  6. Step 6: Final answer
    x = 176,174,378.10

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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.