Home / 219,842,613.81-329,774,525.79-72,286,906.87

Finding the Fourth Proportional to 219,842,613.81, 329,774,525.79 and 72,286,906.87

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Solution

The fourth proportional to 219,842,613.81, 329,774,525.79 and 72,286,906.87 is: 108,433,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,613.81 : 329,774,525.79 = 72,286,906.87 : x
  2. Step 2: Convert to fraction form
    219,842,613.81/329,774,525.79 = 72,286,906.87/x
  3. Step 3: Cross multiply
    219,842,613.81x = 329,774,525.79 × 72,286,906.87
  4. Step 4: Simplify right side
    219,842,613.81x = 23,838,380,432,574,392
  5. Step 5: Solve for x
    x = 23,838,380,432,574,392/219,842,613.81
  6. Step 6: Final answer
    x = 108,433,847.38

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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.