Home / 262,328,579.60-393,578,006.34-78,097,649.27

Finding the Fourth Proportional to 262,328,579.60, 393,578,006.34 and 78,097,649.27

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Solution

The fourth proportional to 262,328,579.60, 393,578,006.34 and 78,097,649.27 is: 117,171,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,328,579.60 : 393,578,006.34 = 78,097,649.27 : x
  2. Step 2: Convert to fraction form
    262,328,579.60/393,578,006.34 = 78,097,649.27/x
  3. Step 3: Cross multiply
    262,328,579.60x = 393,578,006.34 × 78,097,649.27
  4. Step 4: Simplify right side
    262,328,579.60x = 30,737,517,099,527,152
  5. Step 5: Solve for x
    x = 30,737,517,099,527,152/262,328,579.60
  6. Step 6: Final answer
    x = 117,171,819.96

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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.