Home / 120,175,353.20-180,257,612.87-50,116,732.76

Finding the Fourth Proportional to 120,175,353.20, 180,257,612.87 and 50,116,732.76

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Solution

The fourth proportional to 120,175,353.20, 180,257,612.87 and 50,116,732.76 is: 75,172,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,175,353.20 : 180,257,612.87 = 50,116,732.76 : x
  2. Step 2: Convert to fraction form
    120,175,353.20/180,257,612.87 = 50,116,732.76/x
  3. Step 3: Cross multiply
    120,175,353.20x = 180,257,612.87 × 50,116,732.76
  4. Step 4: Simplify right side
    120,175,353.20x = 9,033,922,611,009,456
  5. Step 5: Solve for x
    x = 9,033,922,611,009,456/120,175,353.20
  6. Step 6: Final answer
    x = 75,172,840.11

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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.