Home / 331,776,810.60-497,665,215.90-161,907,498.60

Finding the Fourth Proportional to 331,776,810.60, 497,665,215.90 and 161,907,498.60

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Solution

The fourth proportional to 331,776,810.60, 497,665,215.90 and 161,907,498.60 is: 242,861,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,810.60 : 497,665,215.90 = 161,907,498.60 : x
  2. Step 2: Convert to fraction form
    331,776,810.60/497,665,215.90 = 161,907,498.60/x
  3. Step 3: Cross multiply
    331,776,810.60x = 497,665,215.90 × 161,907,498.60
  4. Step 4: Simplify right side
    331,776,810.60x = 80,575,730,246,597,936
  5. Step 5: Solve for x
    x = 80,575,730,246,597,936/331,776,810.60
  6. Step 6: Final answer
    x = 242,861,247.90

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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.