Home / 126,024,286.60-189,036,429.90-117,521,230.60

Finding the Fourth Proportional to 126,024,286.60, 189,036,429.90 and 117,521,230.60

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Solution

The fourth proportional to 126,024,286.60, 189,036,429.90 and 117,521,230.60 is: 176,281,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,286.60 : 189,036,429.90 = 117,521,230.60 : x
  2. Step 2: Convert to fraction form
    126,024,286.60/189,036,429.90 = 117,521,230.60/x
  3. Step 3: Cross multiply
    126,024,286.60x = 189,036,429.90 × 117,521,230.60
  4. Step 4: Simplify right side
    126,024,286.60x = 22,215,793,870,078,636
  5. Step 5: Solve for x
    x = 22,215,793,870,078,636/126,024,286.60
  6. Step 6: Final answer
    x = 176,281,845.90

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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.