Home / 256,715,935.20-384,977,390.49-92,913,221.88

Finding the Fourth Proportional to 256,715,935.20, 384,977,390.49 and 92,913,221.88

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Solution

The fourth proportional to 256,715,935.20, 384,977,390.49 and 92,913,221.88 is: 139,334,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,715,935.20 : 384,977,390.49 = 92,913,221.88 : x
  2. Step 2: Convert to fraction form
    256,715,935.20/384,977,390.49 = 92,913,221.88/x
  3. Step 3: Cross multiply
    256,715,935.20x = 384,977,390.49 × 92,913,221.88
  4. Step 4: Simplify right side
    256,715,935.20x = 35,769,489,701,380,772
  5. Step 5: Solve for x
    x = 35,769,489,701,380,772/256,715,935.20
  6. Step 6: Final answer
    x = 139,334,902.11

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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.