Home / 331,330,515.10-496,995,772.65-113,227,128.70

Finding the Fourth Proportional to 331,330,515.10, 496,995,772.65 and 113,227,128.70

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Solution

The fourth proportional to 331,330,515.10, 496,995,772.65 and 113,227,128.70 is: 169,840,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330,515.10 : 496,995,772.65 = 113,227,128.70 : x
  2. Step 2: Convert to fraction form
    331,330,515.10/496,995,772.65 = 113,227,128.70/x
  3. Step 3: Cross multiply
    331,330,515.10x = 496,995,772.65 × 113,227,128.70
  4. Step 4: Simplify right side
    331,330,515.10x = 56,273,404,313,197,488
  5. Step 5: Solve for x
    x = 56,273,404,313,197,488/331,330,515.10
  6. Step 6: Final answer
    x = 169,840,693.05

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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.