Home / 208,443,873.02-312,668,470.39-55,088,604.50

Finding the Fourth Proportional to 208,443,873.02, 312,668,470.39 and 55,088,604.50

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Solution

The fourth proportional to 208,443,873.02, 312,668,470.39 and 55,088,604.50 is: 82,633,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,873.02 : 312,668,470.39 = 55,088,604.50 : x
  2. Step 2: Convert to fraction form
    208,443,873.02/312,668,470.39 = 55,088,604.50/x
  3. Step 3: Cross multiply
    208,443,873.02x = 312,668,470.39 × 55,088,604.50
  4. Step 4: Simplify right side
    208,443,873.02x = 17,224,469,704,934,670
  5. Step 5: Solve for x
    x = 17,224,469,704,934,670/208,443,873.02
  6. Step 6: Final answer
    x = 82,633,609.98

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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.