Home / 259,764,857.20-358,462,764.36-142,290,708.64

Finding the Fourth Proportional to 259,764,857.20, 358,462,764.36 and 142,290,708.64

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Solution

The fourth proportional to 259,764,857.20, 358,462,764.36 and 142,290,708.64 is: 196,354,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,764,857.20 : 358,462,764.36 = 142,290,708.64 : x
  2. Step 2: Convert to fraction form
    259,764,857.20/358,462,764.36 = 142,290,708.64/x
  3. Step 3: Cross multiply
    259,764,857.20x = 358,462,764.36 × 142,290,708.64
  4. Step 4: Simplify right side
    259,764,857.20x = 51,005,920,761,837,736
  5. Step 5: Solve for x
    x = 51,005,920,761,837,736/259,764,857.20
  6. Step 6: Final answer
    x = 196,354,200.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.