Home / 220,174,458.30-330,261,687.45-66,820,268.70

Finding the Fourth Proportional to 220,174,458.30, 330,261,687.45 and 66,820,268.70

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Solution

The fourth proportional to 220,174,458.30, 330,261,687.45 and 66,820,268.70 is: 100,230,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,458.30 : 330,261,687.45 = 66,820,268.70 : x
  2. Step 2: Convert to fraction form
    220,174,458.30/330,261,687.45 = 66,820,268.70/x
  3. Step 3: Cross multiply
    220,174,458.30x = 330,261,687.45 × 66,820,268.70
  4. Step 4: Simplify right side
    220,174,458.30x = 22,068,174,696,724,420
  5. Step 5: Solve for x
    x = 22,068,174,696,724,420/220,174,458.30
  6. Step 6: Final answer
    x = 100,230,403.05

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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.