Home / 66,436,312.80-99,654,469.20-18,567,256.80

Finding the Fourth Proportional to 66,436,312.80, 99,654,469.20 and 18,567,256.80

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Solution

The fourth proportional to 66,436,312.80, 99,654,469.20 and 18,567,256.80 is: 27,850,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,312.80 : 99,654,469.20 = 18,567,256.80 : x
  2. Step 2: Convert to fraction form
    66,436,312.80/99,654,469.20 = 18,567,256.80/x
  3. Step 3: Cross multiply
    66,436,312.80x = 99,654,469.20 × 18,567,256.80
  4. Step 4: Simplify right side
    66,436,312.80x = 1,850,310,120,904,090.75
  5. Step 5: Solve for x
    x = 1,850,310,120,904,090.75/66,436,312.80
  6. Step 6: Final answer
    x = 27,850,885.20

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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.