Home / 220,842,120-304,784,799.84-132,764,631.60

Finding the Fourth Proportional to 220,842,120, 304,784,799.84 and 132,764,631.60

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Solution

The fourth proportional to 220,842,120, 304,784,799.84 and 132,764,631.60 is: 183,228,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,842,120 : 304,784,799.84 = 132,764,631.60 : x
  2. Step 2: Convert to fraction form
    220,842,120/304,784,799.84 = 132,764,631.60/x
  3. Step 3: Cross multiply
    220,842,120x = 304,784,799.84 × 132,764,631.60
  4. Step 4: Simplify right side
    220,842,120x = 40,464,641,668,037,336
  5. Step 5: Solve for x
    x = 40,464,641,668,037,336/220,842,120
  6. Step 6: Final answer
    x = 183,228,822.78

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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.