Home / 217,320,628.60-325,996,689.30-130,872,892.60

Finding the Fourth Proportional to 217,320,628.60, 325,996,689.30 and 130,872,892.60

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Solution

The fourth proportional to 217,320,628.60, 325,996,689.30 and 130,872,892.60 is: 196,318,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,320,628.60 : 325,996,689.30 = 130,872,892.60 : x
  2. Step 2: Convert to fraction form
    217,320,628.60/325,996,689.30 = 130,872,892.60/x
  3. Step 3: Cross multiply
    217,320,628.60x = 325,996,689.30 × 130,872,892.60
  4. Step 4: Simplify right side
    217,320,628.60x = 42,664,129,706,714,472
  5. Step 5: Solve for x
    x = 42,664,129,706,714,472/217,320,628.60
  6. Step 6: Final answer
    x = 196,318,821.56

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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.