Home / 85,414,824.06-128,326,633.74-54,769,444.64

Finding the Fourth Proportional to 85,414,824.06, 128,326,633.74 and 54,769,444.64

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Solution

The fourth proportional to 85,414,824.06, 128,326,633.74 and 54,769,444.64 is: 82,285,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,414,824.06 : 128,326,633.74 = 54,769,444.64 : x
  2. Step 2: Convert to fraction form
    85,414,824.06/128,326,633.74 = 54,769,444.64/x
  3. Step 3: Cross multiply
    85,414,824.06x = 128,326,633.74 × 54,769,444.64
  4. Step 4: Simplify right side
    85,414,824.06x = 7,028,378,462,460,486
  5. Step 5: Solve for x
    x = 7,028,378,462,460,486/85,414,824.06
  6. Step 6: Final answer
    x = 82,285,230.23

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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.