Home / 85,232,171.70-127,848,257.55-28,498,475.70

Finding the Fourth Proportional to 85,232,171.70, 127,848,257.55 and 28,498,475.70

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Solution

The fourth proportional to 85,232,171.70, 127,848,257.55 and 28,498,475.70 is: 42,747,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232,171.70 : 127,848,257.55 = 28,498,475.70 : x
  2. Step 2: Convert to fraction form
    85,232,171.70/127,848,257.55 = 28,498,475.70/x
  3. Step 3: Cross multiply
    85,232,171.70x = 127,848,257.55 × 28,498,475.70
  4. Step 4: Simplify right side
    85,232,171.70x = 3,643,480,461,076,016.50
  5. Step 5: Solve for x
    x = 3,643,480,461,076,016.50/85,232,171.70
  6. Step 6: Final answer
    x = 42,747,713.55

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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.