Home / 219,070,242.72-328,121,007.82-149,818,930.56

Finding the Fourth Proportional to 219,070,242.72, 328,121,007.82 and 149,818,930.56

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Solution

The fourth proportional to 219,070,242.72, 328,121,007.82 and 149,818,930.56 is: 224,397,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,070,242.72 : 328,121,007.82 = 149,818,930.56 : x
  2. Step 2: Convert to fraction form
    219,070,242.72/328,121,007.82 = 149,818,930.56/x
  3. Step 3: Cross multiply
    219,070,242.72x = 328,121,007.82 × 149,818,930.56
  4. Step 4: Simplify right side
    219,070,242.72x = 49,158,738,485,861,800
  5. Step 5: Solve for x
    x = 49,158,738,485,861,800/219,070,242.72
  6. Step 6: Final answer
    x = 224,397,151.69

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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.