Home / 208,288,590.20-312,432,885.30-174,528,308.60

Finding the Fourth Proportional to 208,288,590.20, 312,432,885.30 and 174,528,308.60

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Solution

The fourth proportional to 208,288,590.20, 312,432,885.30 and 174,528,308.60 is: 261,792,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,288,590.20 : 312,432,885.30 = 174,528,308.60 : x
  2. Step 2: Convert to fraction form
    208,288,590.20/312,432,885.30 = 174,528,308.60/x
  3. Step 3: Cross multiply
    208,288,590.20x = 312,432,885.30 × 174,528,308.60
  4. Step 4: Simplify right side
    208,288,590.20x = 54,528,383,022,426,800
  5. Step 5: Solve for x
    x = 54,528,383,022,426,800/208,288,590.20
  6. Step 6: Final answer
    x = 261,792,462.90

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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.