Home / 68,448,000.80-102,672,001.20-55,011,072.80

Finding the Fourth Proportional to 68,448,000.80, 102,672,001.20 and 55,011,072.80

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Solution

The fourth proportional to 68,448,000.80, 102,672,001.20 and 55,011,072.80 is: 82,516,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448,000.80 : 102,672,001.20 = 55,011,072.80 : x
  2. Step 2: Convert to fraction form
    68,448,000.80/102,672,001.20 = 55,011,072.80/x
  3. Step 3: Cross multiply
    68,448,000.80x = 102,672,001.20 × 55,011,072.80
  4. Step 4: Simplify right side
    68,448,000.80x = 5,648,096,932,534,887
  5. Step 5: Solve for x
    x = 5,648,096,932,534,887/68,448,000.80
  6. Step 6: Final answer
    x = 82,516,609.20

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Similar ratio
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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.