Home / 54,432,005.30-81,648,007.95-18,530,213.30

Finding the Fourth Proportional to 54,432,005.30, 81,648,007.95 and 18,530,213.30

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Solution

The fourth proportional to 54,432,005.30, 81,648,007.95 and 18,530,213.30 is: 27,795,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,005.30 : 81,648,007.95 = 18,530,213.30 : x
  2. Step 2: Convert to fraction form
    54,432,005.30/81,648,007.95 = 18,530,213.30/x
  3. Step 3: Cross multiply
    54,432,005.30x = 81,648,007.95 × 18,530,213.30
  4. Step 4: Simplify right side
    54,432,005.30x = 1,512,955,002,833,595.75
  5. Step 5: Solve for x
    x = 1,512,955,002,833,595.75/54,432,005.30
  6. Step 6: Final answer
    x = 27,795,319.95

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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.