Home / 251,410,533.92-377,131,740.48-78,894,156.32

Finding the Fourth Proportional to 251,410,533.92, 377,131,740.48 and 78,894,156.32

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Solution

The fourth proportional to 251,410,533.92, 377,131,740.48 and 78,894,156.32 is: 118,346,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,410,533.92 : 377,131,740.48 = 78,894,156.32 : x
  2. Step 2: Convert to fraction form
    251,410,533.92/377,131,740.48 = 78,894,156.32/x
  3. Step 3: Cross multiply
    251,410,533.92x = 377,131,740.48 × 78,894,156.32
  4. Step 4: Simplify right side
    251,410,533.92x = 29,753,490,486,662,792
  5. Step 5: Solve for x
    x = 29,753,490,486,662,792/251,410,533.92
  6. Step 6: Final answer
    x = 118,346,236.42

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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.