Home / 85,232,203.20-127,848,304.80-28,498,507.20

Finding the Fourth Proportional to 85,232,203.20, 127,848,304.80 and 28,498,507.20

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Solution

The fourth proportional to 85,232,203.20, 127,848,304.80 and 28,498,507.20 is: 42,747,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232,203.20 : 127,848,304.80 = 28,498,507.20 : x
  2. Step 2: Convert to fraction form
    85,232,203.20/127,848,304.80 = 28,498,507.20/x
  3. Step 3: Cross multiply
    85,232,203.20x = 127,848,304.80 × 28,498,507.20
  4. Step 4: Simplify right side
    85,232,203.20x = 3,643,485,834,850,594.50
  5. Step 5: Solve for x
    x = 3,643,485,834,850,594.50/85,232,203.20
  6. Step 6: Final answer
    x = 42,747,760.80

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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.