Home / 170,080,212.60-255,120,318.90-115,660,654.20

Finding the Fourth Proportional to 170,080,212.60, 255,120,318.90 and 115,660,654.20

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Solution

The fourth proportional to 170,080,212.60, 255,120,318.90 and 115,660,654.20 is: 173,490,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080,212.60 : 255,120,318.90 = 115,660,654.20 : x
  2. Step 2: Convert to fraction form
    170,080,212.60/255,120,318.90 = 115,660,654.20/x
  3. Step 3: Cross multiply
    170,080,212.60x = 255,120,318.90 × 115,660,654.20
  4. Step 4: Simplify right side
    170,080,212.60x = 29,507,382,983,686,624
  5. Step 5: Solve for x
    x = 29,507,382,983,686,624/170,080,212.60
  6. Step 6: Final answer
    x = 173,490,981.30

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1.5x scale

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.