Home / 45,409,712.28-68,141,004.37-19,146,900.64

Finding the Fourth Proportional to 45,409,712.28, 68,141,004.37 and 19,146,900.64

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Solution

The fourth proportional to 45,409,712.28, 68,141,004.37 and 19,146,900.64 is: 28,731,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,409,712.28 : 68,141,004.37 = 19,146,900.64 : x
  2. Step 2: Convert to fraction form
    45,409,712.28/68,141,004.37 = 19,146,900.64/x
  3. Step 3: Cross multiply
    45,409,712.28x = 68,141,004.37 × 19,146,900.64
  4. Step 4: Simplify right side
    45,409,712.28x = 1,304,689,040,091,740.75
  5. Step 5: Solve for x
    x = 1,304,689,040,091,740.75/45,409,712.28
  6. Step 6: Final answer
    x = 28,731,497.61

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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.