Home / 331,330,719.70-496,996,079.55-112,961,612.80

Finding the Fourth Proportional to 331,330,719.70, 496,996,079.55 and 112,961,612.80

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Solution

The fourth proportional to 331,330,719.70, 496,996,079.55 and 112,961,612.80 is: 169,442,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330,719.70 : 496,996,079.55 = 112,961,612.80 : x
  2. Step 2: Convert to fraction form
    331,330,719.70/496,996,079.55 = 112,961,612.80/x
  3. Step 3: Cross multiply
    331,330,719.70x = 496,996,079.55 × 112,961,612.80
  4. Step 4: Simplify right side
    331,330,719.70x = 56,141,478,701,245,096
  5. Step 5: Solve for x
    x = 56,141,478,701,245,096/331,330,719.70
  6. Step 6: Final answer
    x = 169,442,419.20

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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.