Home / 66,429,704.20-99,644,556.30-52,992,776.20

Finding the Fourth Proportional to 66,429,704.20, 99,644,556.30 and 52,992,776.20

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Solution

The fourth proportional to 66,429,704.20, 99,644,556.30 and 52,992,776.20 is: 79,489,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,704.20 : 99,644,556.30 = 52,992,776.20 : x
  2. Step 2: Convert to fraction form
    66,429,704.20/99,644,556.30 = 52,992,776.20/x
  3. Step 3: Cross multiply
    66,429,704.20x = 99,644,556.30 × 52,992,776.20
  4. Step 4: Simplify right side
    66,429,704.20x = 5,280,441,671,554,200
  5. Step 5: Solve for x
    x = 5,280,441,671,554,200/66,429,704.20
  6. Step 6: Final answer
    x = 79,489,164.30

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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.