Home / 54,281,768.70-81,422,653.05-28,772,600.70

Finding the Fourth Proportional to 54,281,768.70, 81,422,653.05 and 28,772,600.70

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Solution

The fourth proportional to 54,281,768.70, 81,422,653.05 and 28,772,600.70 is: 43,158,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,768.70 : 81,422,653.05 = 28,772,600.70 : x
  2. Step 2: Convert to fraction form
    54,281,768.70/81,422,653.05 = 28,772,600.70/x
  3. Step 3: Cross multiply
    54,281,768.70x = 81,422,653.05 × 28,772,600.70
  4. Step 4: Simplify right side
    54,281,768.70x = 2,342,741,484,142,287
  5. Step 5: Solve for x
    x = 2,342,741,484,142,287/54,281,768.70
  6. Step 6: Final answer
    x = 43,158,901.05

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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.