Home / 57,206,830.20-85,810,245.30-52,503,905.40

Finding the Fourth Proportional to 57,206,830.20, 85,810,245.30 and 52,503,905.40

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Solution

The fourth proportional to 57,206,830.20, 85,810,245.30 and 52,503,905.40 is: 78,755,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206,830.20 : 85,810,245.30 = 52,503,905.40 : x
  2. Step 2: Convert to fraction form
    57,206,830.20/85,810,245.30 = 52,503,905.40/x
  3. Step 3: Cross multiply
    57,206,830.20x = 85,810,245.30 × 52,503,905.40
  4. Step 4: Simplify right side
    57,206,830.20x = 4,505,373,001,581,994
  5. Step 5: Solve for x
    x = 4,505,373,001,581,994/57,206,830.20
  6. Step 6: Final answer
    x = 78,755,858.10

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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.