Home / 331,776,005.60-497,664,008.40-161,906,693.60

Finding the Fourth Proportional to 331,776,005.60, 497,664,008.40 and 161,906,693.60

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Solution

The fourth proportional to 331,776,005.60, 497,664,008.40 and 161,906,693.60 is: 242,860,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,005.60 : 497,664,008.40 = 161,906,693.60 : x
  2. Step 2: Convert to fraction form
    331,776,005.60/497,664,008.40 = 161,906,693.60/x
  3. Step 3: Cross multiply
    331,776,005.60x = 497,664,008.40 × 161,906,693.60
  4. Step 4: Simplify right side
    331,776,005.60x = 80,575,134,123,766,624
  5. Step 5: Solve for x
    x = 80,575,134,123,766,624/331,776,005.60
  6. Step 6: Final answer
    x = 242,860,040.40

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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.