Home / 72,567,676.20-108,702,215.10-36,686,101.80

Finding the Fourth Proportional to 72,567,676.20, 108,702,215.10 and 36,686,101.80

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Solution

The fourth proportional to 72,567,676.20, 108,702,215.10 and 36,686,101.80 is: 54,953,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,567,676.20 : 108,702,215.10 = 36,686,101.80 : x
  2. Step 2: Convert to fraction form
    72,567,676.20/108,702,215.10 = 36,686,101.80/x
  3. Step 3: Cross multiply
    72,567,676.20x = 108,702,215.10 × 36,686,101.80
  4. Step 4: Simplify right side
    72,567,676.20x = 3,987,860,529,044,096.50
  5. Step 5: Solve for x
    x = 3,987,860,529,044,096.50/72,567,676.20
  6. Step 6: Final answer
    x = 54,953,675.49

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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.