Home / 142,048,276.20-213,231,846.60-109,842,951.60

Finding the Fourth Proportional to 142,048,276.20, 213,231,846.60 and 109,842,951.60

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Solution

The fourth proportional to 142,048,276.20, 213,231,846.60 and 109,842,951.60 is: 164,887,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048,276.20 : 213,231,846.60 = 109,842,951.60 : x
  2. Step 2: Convert to fraction form
    142,048,276.20/213,231,846.60 = 109,842,951.60/x
  3. Step 3: Cross multiply
    142,048,276.20x = 213,231,846.60 × 109,842,951.60
  4. Step 4: Simplify right side
    142,048,276.20x = 23,422,015,405,662,424
  5. Step 5: Solve for x
    x = 23,422,015,405,662,424/142,048,276.20
  6. Step 6: Final answer
    x = 164,887,713.05

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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.