Home / 79,821,000.30-119,731,500.45-79,065,173.10

Finding the Fourth Proportional to 79,821,000.30, 119,731,500.45 and 79,065,173.10

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Solution

The fourth proportional to 79,821,000.30, 119,731,500.45 and 79,065,173.10 is: 118,597,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,821,000.30 : 119,731,500.45 = 79,065,173.10 : x
  2. Step 2: Convert to fraction form
    79,821,000.30/119,731,500.45 = 79,065,173.10/x
  3. Step 3: Cross multiply
    79,821,000.30x = 119,731,500.45 × 79,065,173.10
  4. Step 4: Simplify right side
    79,821,000.30x = 9,466,591,808,601,978
  5. Step 5: Solve for x
    x = 9,466,591,808,601,978/79,821,000.30
  6. Step 6: Final answer
    x = 118,597,759.65

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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.