Home / 207,337,624.56-311,025,031.20-53,985,009.60

Finding the Fourth Proportional to 207,337,624.56, 311,025,031.20 and 53,985,009.60

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Solution

The fourth proportional to 207,337,624.56, 311,025,031.20 and 53,985,009.60 is: 80,982,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,337,624.56 : 311,025,031.20 = 53,985,009.60 : x
  2. Step 2: Convert to fraction form
    207,337,624.56/311,025,031.20 = 53,985,009.60/x
  3. Step 3: Cross multiply
    207,337,624.56x = 311,025,031.20 × 53,985,009.60
  4. Step 4: Simplify right side
    207,337,624.56x = 16,790,689,295,172,300
  5. Step 5: Solve for x
    x = 16,790,689,295,172,300/207,337,624.56
  6. Step 6: Final answer
    x = 80,982,355.86

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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.