Home / 144,850,693.20-217,276,039.80-76,826,245.20

Finding the Fourth Proportional to 144,850,693.20, 217,276,039.80 and 76,826,245.20

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Solution

The fourth proportional to 144,850,693.20, 217,276,039.80 and 76,826,245.20 is: 115,239,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,850,693.20 : 217,276,039.80 = 76,826,245.20 : x
  2. Step 2: Convert to fraction form
    144,850,693.20/217,276,039.80 = 76,826,245.20/x
  3. Step 3: Cross multiply
    144,850,693.20x = 217,276,039.80 × 76,826,245.20
  4. Step 4: Simplify right side
    144,850,693.20x = 16,692,502,309,759,760
  5. Step 5: Solve for x
    x = 16,692,502,309,759,760/144,850,693.20
  6. Step 6: Final answer
    x = 115,239,367.80

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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.