Home / 179,355,648.30-269,096,458.05-77,151,014.70

Finding the Fourth Proportional to 179,355,648.30, 269,096,458.05 and 77,151,014.70

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Solution

The fourth proportional to 179,355,648.30, 269,096,458.05 and 77,151,014.70 is: 115,753,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,355,648.30 : 269,096,458.05 = 77,151,014.70 : x
  2. Step 2: Convert to fraction form
    179,355,648.30/269,096,458.05 = 77,151,014.70/x
  3. Step 3: Cross multiply
    179,355,648.30x = 269,096,458.05 × 77,151,014.70
  4. Step 4: Simplify right side
    179,355,648.30x = 20,761,064,790,733,484
  5. Step 5: Solve for x
    x = 20,761,064,790,733,484/179,355,648.30
  6. Step 6: Final answer
    x = 115,753,615.72

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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.