Home / 308,449,086.55-462,674,712.39-78,418,195.81

Finding the Fourth Proportional to 308,449,086.55, 462,674,712.39 and 78,418,195.81

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Solution

The fourth proportional to 308,449,086.55, 462,674,712.39 and 78,418,195.81 is: 117,627,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,449,086.55 : 462,674,712.39 = 78,418,195.81 : x
  2. Step 2: Convert to fraction form
    308,449,086.55/462,674,712.39 = 78,418,195.81/x
  3. Step 3: Cross multiply
    308,449,086.55x = 462,674,712.39 × 78,418,195.81
  4. Step 4: Simplify right side
    308,449,086.55x = 36,282,116,191,083,704
  5. Step 5: Solve for x
    x = 36,282,116,191,083,704/308,449,086.55
  6. Step 6: Final answer
    x = 117,627,568.94

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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.