Home / 119,228,693.99-178,660,503.36-80,222,668.35

Finding the Fourth Proportional to 119,228,693.99, 178,660,503.36 and 80,222,668.35

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Solution

The fourth proportional to 119,228,693.99, 178,660,503.36 and 80,222,668.35 is: 120,211,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,228,693.99 : 178,660,503.36 = 80,222,668.35 : x
  2. Step 2: Convert to fraction form
    119,228,693.99/178,660,503.36 = 80,222,668.35/x
  3. Step 3: Cross multiply
    119,228,693.99x = 178,660,503.36 × 80,222,668.35
  4. Step 4: Simplify right side
    119,228,693.99x = 14,332,622,307,623,364
  5. Step 5: Solve for x
    x = 14,332,622,307,623,364/119,228,693.99
  6. Step 6: Final answer
    x = 120,211,182.63

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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.