Home / 124,400,190.30-186,600,285.45-79,162,532.70

Finding the Fourth Proportional to 124,400,190.30, 186,600,285.45 and 79,162,532.70

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Solution

The fourth proportional to 124,400,190.30, 186,600,285.45 and 79,162,532.70 is: 118,743,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400,190.30 : 186,600,285.45 = 79,162,532.70 : x
  2. Step 2: Convert to fraction form
    124,400,190.30/186,600,285.45 = 79,162,532.70/x
  3. Step 3: Cross multiply
    124,400,190.30x = 186,600,285.45 × 79,162,532.70
  4. Step 4: Simplify right side
    124,400,190.30x = 14,771,751,198,764,958
  5. Step 5: Solve for x
    x = 14,771,751,198,764,958/124,400,190.30
  6. Step 6: Final answer
    x = 118,743,799.05

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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.