Home / 56,806,553.80-85,209,830.70-18,469,318.60

Finding the Fourth Proportional to 56,806,553.80, 85,209,830.70 and 18,469,318.60

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Solution

The fourth proportional to 56,806,553.80, 85,209,830.70 and 18,469,318.60 is: 27,703,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,553.80 : 85,209,830.70 = 18,469,318.60 : x
  2. Step 2: Convert to fraction form
    56,806,553.80/85,209,830.70 = 18,469,318.60/x
  3. Step 3: Cross multiply
    56,806,553.80x = 85,209,830.70 × 18,469,318.60
  4. Step 4: Simplify right side
    56,806,553.80x = 1,573,767,511,050,361.25
  5. Step 5: Solve for x
    x = 1,573,767,511,050,361.25/56,806,553.80
  6. Step 6: Final answer
    x = 27,703,977.90

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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.