Home / 309,423,541.41-464,084,858.85-91,022,806.38

Finding the Fourth Proportional to 309,423,541.41, 464,084,858.85 and 91,022,806.38

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Solution

The fourth proportional to 309,423,541.41, 464,084,858.85 and 91,022,806.38 is: 136,519,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,423,541.41 : 464,084,858.85 = 91,022,806.38 : x
  2. Step 2: Convert to fraction form
    309,423,541.41/464,084,858.85 = 91,022,806.38/x
  3. Step 3: Cross multiply
    309,423,541.41x = 464,084,858.85 × 91,022,806.38
  4. Step 4: Simplify right side
    309,423,541.41x = 42,242,306,250,993,176
  5. Step 5: Solve for x
    x = 42,242,306,250,993,176/309,423,541.41
  6. Step 6: Final answer
    x = 136,519,367.78

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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.