Home / 219,842,423.91-329,774,241.03-72,286,716.93

Finding the Fourth Proportional to 219,842,423.91, 329,774,241.03 and 72,286,716.93

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Solution

The fourth proportional to 219,842,423.91, 329,774,241.03 and 72,286,716.93 is: 108,433,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,423.91 : 329,774,241.03 = 72,286,716.93 : x
  2. Step 2: Convert to fraction form
    219,842,423.91/329,774,241.03 = 72,286,716.93/x
  3. Step 3: Cross multiply
    219,842,423.91x = 329,774,241.03 × 72,286,716.93
  4. Step 4: Simplify right side
    219,842,423.91x = 23,838,297,212,141,200
  5. Step 5: Solve for x
    x = 23,838,297,212,141,200/219,842,423.91
  6. Step 6: Final answer
    x = 108,433,562.50

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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.