Home / 85,152,043.20-127,728,064.80-24,569,745.60

Finding the Fourth Proportional to 85,152,043.20, 127,728,064.80 and 24,569,745.60

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Solution

The fourth proportional to 85,152,043.20, 127,728,064.80 and 24,569,745.60 is: 36,854,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152,043.20 : 127,728,064.80 = 24,569,745.60 : x
  2. Step 2: Convert to fraction form
    85,152,043.20/127,728,064.80 = 24,569,745.60/x
  3. Step 3: Cross multiply
    85,152,043.20x = 127,728,064.80 × 24,569,745.60
  4. Step 4: Simplify right side
    85,152,043.20x = 3,138,246,058,116,315
  5. Step 5: Solve for x
    x = 3,138,246,058,116,315/85,152,043.20
  6. Step 6: Final answer
    x = 36,854,618.40

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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.