Home / 160,405,072.53-221,353,272.72-90,788,958.74

Finding the Fourth Proportional to 160,405,072.53, 221,353,272.72 and 90,788,958.74

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Solution

The fourth proportional to 160,405,072.53, 221,353,272.72 and 90,788,958.74 is: 125,285,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405,072.53 : 221,353,272.72 = 90,788,958.74 : x
  2. Step 2: Convert to fraction form
    160,405,072.53/221,353,272.72 = 90,788,958.74/x
  3. Step 3: Cross multiply
    160,405,072.53x = 221,353,272.72 × 90,788,958.74
  4. Step 4: Simplify right side
    160,405,072.53x = 20,096,433,143,940,048
  5. Step 5: Solve for x
    x = 20,096,433,143,940,048/160,405,072.53
  6. Step 6: Final answer
    x = 125,285,521.38

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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.