Home / 219,070,238.72-328,121,001.82-149,818,926.56

Finding the Fourth Proportional to 219,070,238.72, 328,121,001.82 and 149,818,926.56

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Solution

The fourth proportional to 219,070,238.72, 328,121,001.82 and 149,818,926.56 is: 224,397,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,070,238.72 : 328,121,001.82 = 149,818,926.56 : x
  2. Step 2: Convert to fraction form
    219,070,238.72/328,121,001.82 = 149,818,926.56/x
  3. Step 3: Cross multiply
    219,070,238.72x = 328,121,001.82 × 149,818,926.56
  4. Step 4: Simplify right side
    219,070,238.72x = 49,158,736,274,464,208
  5. Step 5: Solve for x
    x = 49,158,736,274,464,208/219,070,238.72
  6. Step 6: Final answer
    x = 224,397,145.69

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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.