Home / 188,704,656.32-260,411,891.52-106,198,438.72

Finding the Fourth Proportional to 188,704,656.32, 260,411,891.52 and 106,198,438.72

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Solution

The fourth proportional to 188,704,656.32, 260,411,891.52 and 106,198,438.72 is: 146,553,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,704,656.32 : 260,411,891.52 = 106,198,438.72 : x
  2. Step 2: Convert to fraction form
    188,704,656.32/260,411,891.52 = 106,198,438.72/x
  3. Step 3: Cross multiply
    188,704,656.32x = 260,411,891.52 × 106,198,438.72
  4. Step 4: Simplify right side
    188,704,656.32x = 27,655,336,303,546,008
  5. Step 5: Solve for x
    x = 27,655,336,303,546,008/188,704,656.32
  6. Step 6: Final answer
    x = 146,553,544.80

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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.