Home / 64,158,704.50-96,199,624.16-20,420,570.44

Finding the Fourth Proportional to 64,158,704.50, 96,199,624.16 and 20,420,570.44

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Solution

The fourth proportional to 64,158,704.50, 96,199,624.16 and 20,420,570.44 is: 30,618,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,704.50 : 96,199,624.16 = 20,420,570.44 : x
  2. Step 2: Convert to fraction form
    64,158,704.50/96,199,624.16 = 20,420,570.44/x
  3. Step 3: Cross multiply
    64,158,704.50x = 96,199,624.16 × 20,420,570.44
  4. Step 4: Simplify right side
    64,158,704.50x = 1,964,451,201,460,806
  5. Step 5: Solve for x
    x = 1,964,451,201,460,806/64,158,704.50
  6. Step 6: Final answer
    x = 30,618,623.25

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1.5x scale

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.