Home / 131,176,604.36-181,099,273.78-87,183,262.28

Finding the Fourth Proportional to 131,176,604.36, 181,099,273.78 and 87,183,262.28

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Solution

The fourth proportional to 131,176,604.36, 181,099,273.78 and 87,183,262.28 is: 120,363,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,176,604.36 : 181,099,273.78 = 87,183,262.28 : x
  2. Step 2: Convert to fraction form
    131,176,604.36/181,099,273.78 = 87,183,262.28/x
  3. Step 3: Cross multiply
    131,176,604.36x = 181,099,273.78 × 87,183,262.28
  4. Step 4: Simplify right side
    131,176,604.36x = 15,788,825,484,679,268
  5. Step 5: Solve for x
    x = 15,788,825,484,679,268/131,176,604.36
  6. Step 6: Final answer
    x = 120,363,120.86

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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.