Home / 51,284,513.70-76,861,452.15-20,958,113.70

Finding the Fourth Proportional to 51,284,513.70, 76,861,452.15 and 20,958,113.70

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Solution

The fourth proportional to 51,284,513.70, 76,861,452.15 and 20,958,113.70 is: 31,410,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284,513.70 : 76,861,452.15 = 20,958,113.70 : x
  2. Step 2: Convert to fraction form
    51,284,513.70/76,861,452.15 = 20,958,113.70/x
  3. Step 3: Cross multiply
    51,284,513.70x = 76,861,452.15 × 20,958,113.70
  4. Step 4: Simplify right side
    51,284,513.70x = 1,610,871,053,306,809.50
  5. Step 5: Solve for x
    x = 1,610,871,053,306,809.50/51,284,513.70
  6. Step 6: Final answer
    x = 31,410,477.30

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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.