Home / 310,318,095.96-428,647,749.87-230,012,884.28

Finding the Fourth Proportional to 310,318,095.96, 428,647,749.87 and 230,012,884.28

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Solution

The fourth proportional to 310,318,095.96, 428,647,749.87 and 230,012,884.28 is: 317,720,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,318,095.96 : 428,647,749.87 = 230,012,884.28 : x
  2. Step 2: Convert to fraction form
    310,318,095.96/428,647,749.87 = 230,012,884.28/x
  3. Step 3: Cross multiply
    310,318,095.96x = 428,647,749.87 × 230,012,884.28
  4. Step 4: Simplify right side
    310,318,095.96x = 98,594,505,287,730,704
  5. Step 5: Solve for x
    x = 98,594,505,287,730,704/310,318,095.96
  6. Step 6: Final answer
    x = 317,720,772.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.