Home / 220,864,661.46-305,084,343.51-165,013,011.72

Finding the Fourth Proportional to 220,864,661.46, 305,084,343.51 and 165,013,011.72

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Solution

The fourth proportional to 220,864,661.46, 305,084,343.51 and 165,013,011.72 is: 227,935,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,864,661.46 : 305,084,343.51 = 165,013,011.72 : x
  2. Step 2: Convert to fraction form
    220,864,661.46/305,084,343.51 = 165,013,011.72/x
  3. Step 3: Cross multiply
    220,864,661.46x = 305,084,343.51 × 165,013,011.72
  4. Step 4: Simplify right side
    220,864,661.46x = 50,342,886,351,204,136
  5. Step 5: Solve for x
    x = 50,342,886,351,204,136/220,864,661.46
  6. Step 6: Final answer
    x = 227,935,451.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.