Home / 82,329,857.82-123,330,123.05-49,522,316.34

Finding the Fourth Proportional to 82,329,857.82, 123,330,123.05 and 49,522,316.34

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Solution

The fourth proportional to 82,329,857.82, 123,330,123.05 and 49,522,316.34 is: 74,184,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329,857.82 : 123,330,123.05 = 49,522,316.34 : x
  2. Step 2: Convert to fraction form
    82,329,857.82/123,330,123.05 = 49,522,316.34/x
  3. Step 3: Cross multiply
    82,329,857.82x = 123,330,123.05 × 49,522,316.34
  4. Step 4: Simplify right side
    82,329,857.82x = 6,107,593,367,685,615
  5. Step 5: Solve for x
    x = 6,107,593,367,685,615/82,329,857.82
  6. Step 6: Final answer
    x = 74,184,427.49

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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.