Home / 208,443,865.27-312,668,458.76-55,088,596.75

Finding the Fourth Proportional to 208,443,865.27, 312,668,458.76 and 55,088,596.75

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Solution

The fourth proportional to 208,443,865.27, 312,668,458.76 and 55,088,596.75 is: 82,633,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,865.27 : 312,668,458.76 = 55,088,596.75 : x
  2. Step 2: Convert to fraction form
    208,443,865.27/312,668,458.76 = 55,088,596.75/x
  3. Step 3: Cross multiply
    208,443,865.27x = 312,668,458.76 × 55,088,596.75
  4. Step 4: Simplify right side
    208,443,865.27x = 17,224,466,641,073,644
  5. Step 5: Solve for x
    x = 17,224,466,641,073,644/208,443,865.27
  6. Step 6: Final answer
    x = 82,633,598.35

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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.