Home / 51,109,834.20-76,664,751.30-31,977,958.20

Finding the Fourth Proportional to 51,109,834.20, 76,664,751.30 and 31,977,958.20

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Solution

The fourth proportional to 51,109,834.20, 76,664,751.30 and 31,977,958.20 is: 47,966,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109,834.20 : 76,664,751.30 = 31,977,958.20 : x
  2. Step 2: Convert to fraction form
    51,109,834.20/76,664,751.30 = 31,977,958.20/x
  3. Step 3: Cross multiply
    51,109,834.20x = 76,664,751.30 × 31,977,958.20
  4. Step 4: Simplify right side
    51,109,834.20x = 2,451,582,212,484,795.50
  5. Step 5: Solve for x
    x = 2,451,582,212,484,795.50/51,109,834.20
  6. Step 6: Final answer
    x = 47,966,937.30

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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.