Home / 57,191,996.80-85,829,985.60-38,016,380.80

Finding the Fourth Proportional to 57,191,996.80, 85,829,985.60 and 38,016,380.80

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Solution

The fourth proportional to 57,191,996.80, 85,829,985.60 and 38,016,380.80 is: 57,052,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191,996.80 : 85,829,985.60 = 38,016,380.80 : x
  2. Step 2: Convert to fraction form
    57,191,996.80/85,829,985.60 = 38,016,380.80/x
  3. Step 3: Cross multiply
    57,191,996.80x = 85,829,985.60 × 38,016,380.80
  4. Step 4: Simplify right side
    57,191,996.80x = 3,262,945,416,628,116
  5. Step 5: Solve for x
    x = 3,262,945,416,628,116/57,191,996.80
  6. Step 6: Final answer
    x = 57,052,482.85

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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.