Home / 64,158,718.26-96,199,644.78-20,420,584.20

Finding the Fourth Proportional to 64,158,718.26, 96,199,644.78 and 20,420,584.20

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Solution

The fourth proportional to 64,158,718.26, 96,199,644.78 and 20,420,584.20 is: 30,618,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,718.26 : 96,199,644.78 = 20,420,584.20 : x
  2. Step 2: Convert to fraction form
    64,158,718.26/96,199,644.78 = 20,420,584.20/x
  3. Step 3: Cross multiply
    64,158,718.26x = 96,199,644.78 × 20,420,584.20
  4. Step 4: Simplify right side
    64,158,718.26x = 1,964,452,946,240,080.50
  5. Step 5: Solve for x
    x = 1,964,452,946,240,080.50/64,158,718.26
  6. Step 6: Final answer
    x = 30,618,643.88

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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.