Home / 54,082,814.52-74,637,945.82-30,553,190.45

Finding the Fourth Proportional to 54,082,814.52, 74,637,945.82 and 30,553,190.45

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Solution

The fourth proportional to 54,082,814.52, 74,637,945.82 and 30,553,190.45 is: 42,165,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082,814.52 : 74,637,945.82 = 30,553,190.45 : x
  2. Step 2: Convert to fraction form
    54,082,814.52/74,637,945.82 = 30,553,190.45/x
  3. Step 3: Cross multiply
    54,082,814.52x = 74,637,945.82 × 30,553,190.45
  4. Step 4: Simplify right side
    54,082,814.52x = 2,280,427,372,909,285.50
  5. Step 5: Solve for x
    x = 2,280,427,372,909,285.50/54,082,814.52
  6. Step 6: Final answer
    x = 42,165,471.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.