Home / 170,355,378.30-255,533,067.45-109,133,375.10

Finding the Fourth Proportional to 170,355,378.30, 255,533,067.45 and 109,133,375.10

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Solution

The fourth proportional to 170,355,378.30, 255,533,067.45 and 109,133,375.10 is: 163,700,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,355,378.30 : 255,533,067.45 = 109,133,375.10 : x
  2. Step 2: Convert to fraction form
    170,355,378.30/255,533,067.45 = 109,133,375.10/x
  3. Step 3: Cross multiply
    170,355,378.30x = 255,533,067.45 × 109,133,375.10
  4. Step 4: Simplify right side
    170,355,378.30x = 27,887,186,100,474,448
  5. Step 5: Solve for x
    x = 27,887,186,100,474,448/170,355,378.30
  6. Step 6: Final answer
    x = 163,700,062.65

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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.