Home / 76,848,000.30-115,272,000.45-73,446,777.90

Finding the Fourth Proportional to 76,848,000.30, 115,272,000.45 and 73,446,777.90

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Solution

The fourth proportional to 76,848,000.30, 115,272,000.45 and 73,446,777.90 is: 110,170,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,848,000.30 : 115,272,000.45 = 73,446,777.90 : x
  2. Step 2: Convert to fraction form
    76,848,000.30/115,272,000.45 = 73,446,777.90/x
  3. Step 3: Cross multiply
    76,848,000.30x = 115,272,000.45 × 73,446,777.90
  4. Step 4: Simplify right side
    76,848,000.30x = 8,466,357,015,139,851
  5. Step 5: Solve for x
    x = 8,466,357,015,139,851/76,848,000.30
  6. Step 6: Final answer
    x = 110,170,166.85

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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.