Home / 45,783,137.80-68,674,706.70-39,618,422.20

Finding the Fourth Proportional to 45,783,137.80, 68,674,706.70 and 39,618,422.20

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Solution

The fourth proportional to 45,783,137.80, 68,674,706.70 and 39,618,422.20 is: 59,427,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783,137.80 : 68,674,706.70 = 39,618,422.20 : x
  2. Step 2: Convert to fraction form
    45,783,137.80/68,674,706.70 = 39,618,422.20/x
  3. Step 3: Cross multiply
    45,783,137.80x = 68,674,706.70 × 39,618,422.20
  4. Step 4: Simplify right side
    45,783,137.80x = 2,720,783,524,501,769
  5. Step 5: Solve for x
    x = 2,720,783,524,501,769/45,783,137.80
  6. Step 6: Final answer
    x = 59,427,633.30

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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.