Home / 338,962,020.60-508,443,030.90-108,954,355.80

Finding the Fourth Proportional to 338,962,020.60, 508,443,030.90 and 108,954,355.80

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Solution

The fourth proportional to 338,962,020.60, 508,443,030.90 and 108,954,355.80 is: 163,431,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,962,020.60 : 508,443,030.90 = 108,954,355.80 : x
  2. Step 2: Convert to fraction form
    338,962,020.60/508,443,030.90 = 108,954,355.80/x
  3. Step 3: Cross multiply
    338,962,020.60x = 508,443,030.90 × 108,954,355.80
  4. Step 4: Simplify right side
    338,962,020.60x = 55,397,082,892,708,992
  5. Step 5: Solve for x
    x = 55,397,082,892,708,992/338,962,020.60
  6. Step 6: Final answer
    x = 163,431,533.70

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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.