Home / 64,158,702.32-96,199,620.90-20,420,568.26

Finding the Fourth Proportional to 64,158,702.32, 96,199,620.90 and 20,420,568.26

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Solution

The fourth proportional to 64,158,702.32, 96,199,620.90 and 20,420,568.26 is: 30,618,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,702.32 : 96,199,620.90 = 20,420,568.26 : x
  2. Step 2: Convert to fraction form
    64,158,702.32/96,199,620.90 = 20,420,568.26/x
  3. Step 3: Cross multiply
    64,158,702.32x = 96,199,620.90 × 20,420,568.26
  4. Step 4: Simplify right side
    64,158,702.32x = 1,964,450,924,977,745.75
  5. Step 5: Solve for x
    x = 1,964,450,924,977,745.75/64,158,702.32
  6. Step 6: Final answer
    x = 30,618,619.98

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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.