Home / 219,842,562.54-329,774,448.81-72,286,855.57

Finding the Fourth Proportional to 219,842,562.54, 329,774,448.81 and 72,286,855.57

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Solution

The fourth proportional to 219,842,562.54, 329,774,448.81 and 72,286,855.57 is: 108,433,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,562.54 : 329,774,448.81 = 72,286,855.57 : x
  2. Step 2: Convert to fraction form
    219,842,562.54/329,774,448.81 = 72,286,855.57/x
  3. Step 3: Cross multiply
    219,842,562.54x = 329,774,448.81 × 72,286,855.57
  4. Step 4: Simplify right side
    219,842,562.54x = 23,838,357,951,804,828
  5. Step 5: Solve for x
    x = 23,838,357,951,804,828/219,842,562.54
  6. Step 6: Final answer
    x = 108,433,770.41

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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.