Home / 309,772,604.54-427,469,967.20-170,516,166.86

Finding the Fourth Proportional to 309,772,604.54, 427,469,967.20 and 170,516,166.86

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Solution

The fourth proportional to 309,772,604.54, 427,469,967.20 and 170,516,166.86 is: 235,303,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,772,604.54 : 427,469,967.20 = 170,516,166.86 : x
  2. Step 2: Convert to fraction form
    309,772,604.54/427,469,967.20 = 170,516,166.86/x
  3. Step 3: Cross multiply
    309,772,604.54x = 427,469,967.20 × 170,516,166.86
  4. Step 4: Simplify right side
    309,772,604.54x = 72,890,540,254,713,936
  5. Step 5: Solve for x
    x = 72,890,540,254,713,936/309,772,604.54
  6. Step 6: Final answer
    x = 235,303,377.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.