Home / 79,814,121.60-119,738,897.10-36,672,922.20

Finding the Fourth Proportional to 79,814,121.60, 119,738,897.10 and 36,672,922.20

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Solution

The fourth proportional to 79,814,121.60, 119,738,897.10 and 36,672,922.20 is: 55,017,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,814,121.60 : 119,738,897.10 = 36,672,922.20 : x
  2. Step 2: Convert to fraction form
    79,814,121.60/119,738,897.10 = 36,672,922.20/x
  3. Step 3: Cross multiply
    79,814,121.60x = 119,738,897.10 × 36,672,922.20
  4. Step 4: Simplify right side
    79,814,121.60x = 4,391,175,257,662,106
  5. Step 5: Solve for x
    x = 4,391,175,257,662,106/79,814,121.60
  6. Step 6: Final answer
    x = 55,017,522.83

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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.