Home / 50,976,431.40-76,414,880.70-45,601,660.20

Finding the Fourth Proportional to 50,976,431.40, 76,414,880.70 and 45,601,660.20

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Solution

The fourth proportional to 50,976,431.40, 76,414,880.70 and 45,601,660.20 is: 68,357,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976,431.40 : 76,414,880.70 = 45,601,660.20 : x
  2. Step 2: Convert to fraction form
    50,976,431.40/76,414,880.70 = 45,601,660.20/x
  3. Step 3: Cross multiply
    50,976,431.40x = 76,414,880.70 × 45,601,660.20
  4. Step 4: Simplify right side
    50,976,431.40x = 3,484,645,423,904,938.50
  5. Step 5: Solve for x
    x = 3,484,645,423,904,938.50/50,976,431.40
  6. Step 6: Final answer
    x = 68,357,971.09

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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.