Home / 189,964,107.20-262,153,145.21-109,451,602.08

Finding the Fourth Proportional to 189,964,107.20, 262,153,145.21 and 109,451,602.08

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Solution

The fourth proportional to 189,964,107.20, 262,153,145.21 and 109,451,602.08 is: 151,044,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,964,107.20 : 262,153,145.21 = 109,451,602.08 : x
  2. Step 2: Convert to fraction form
    189,964,107.20/262,153,145.21 = 109,451,602.08/x
  3. Step 3: Cross multiply
    189,964,107.20x = 262,153,145.21 × 109,451,602.08
  4. Step 4: Simplify right side
    189,964,107.20x = 28,693,081,734,212,948
  5. Step 5: Solve for x
    x = 28,693,081,734,212,948/189,964,107.20
  6. Step 6: Final answer
    x = 151,044,753.44

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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.