Home / 208,443,866.27-312,668,460.26-55,088,597.75

Finding the Fourth Proportional to 208,443,866.27, 312,668,460.26 and 55,088,597.75

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Solution

The fourth proportional to 208,443,866.27, 312,668,460.26 and 55,088,597.75 is: 82,633,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,866.27 : 312,668,460.26 = 55,088,597.75 : x
  2. Step 2: Convert to fraction form
    208,443,866.27/312,668,460.26 = 55,088,597.75/x
  3. Step 3: Cross multiply
    208,443,866.27x = 312,668,460.26 × 55,088,597.75
  4. Step 4: Simplify right side
    208,443,866.27x = 17,224,467,036,375,000
  5. Step 5: Solve for x
    x = 17,224,467,036,375,000/208,443,866.27
  6. Step 6: Final answer
    x = 82,633,599.85

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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.