Home / 64,158,702.62-96,199,621.35-20,420,568.56

Finding the Fourth Proportional to 64,158,702.62, 96,199,621.35 and 20,420,568.56

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Solution

The fourth proportional to 64,158,702.62, 96,199,621.35 and 20,420,568.56 is: 30,618,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,702.62 : 96,199,621.35 = 20,420,568.56 : x
  2. Step 2: Convert to fraction form
    64,158,702.62/96,199,621.35 = 20,420,568.56/x
  3. Step 3: Cross multiply
    64,158,702.62x = 96,199,621.35 × 20,420,568.56
  4. Step 4: Simplify right side
    64,158,702.62x = 1,964,450,963,223,714.50
  5. Step 5: Solve for x
    x = 1,964,450,963,223,714.50/64,158,702.62
  6. Step 6: Final answer
    x = 30,618,620.44

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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.