Home / 385,635,905.97-578,378,536.83-123,250,073.70

Finding the Fourth Proportional to 385,635,905.97, 578,378,536.83 and 123,250,073.70

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Solution

The fourth proportional to 385,635,905.97, 578,378,536.83 and 123,250,073.70 is: 184,851,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,635,905.97 : 578,378,536.83 = 123,250,073.70 : x
  2. Step 2: Convert to fraction form
    385,635,905.97/578,378,536.83 = 123,250,073.70/x
  3. Step 3: Cross multiply
    385,635,905.97x = 578,378,536.83 × 123,250,073.70
  4. Step 4: Simplify right side
    385,635,905.97x = 71,285,197,290,795,672
  5. Step 5: Solve for x
    x = 71,285,197,290,795,672/385,635,905.97
  6. Step 6: Final answer
    x = 184,851,037.44

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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.