Home / 79,827,000.30-119,740,500.45-36,780,279.30

Finding the Fourth Proportional to 79,827,000.30, 119,740,500.45 and 36,780,279.30

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Solution

The fourth proportional to 79,827,000.30, 119,740,500.45 and 36,780,279.30 is: 55,170,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827,000.30 : 119,740,500.45 = 36,780,279.30 : x
  2. Step 2: Convert to fraction form
    79,827,000.30/119,740,500.45 = 36,780,279.30/x
  3. Step 3: Cross multiply
    79,827,000.30x = 119,740,500.45 × 36,780,279.30
  4. Step 4: Simplify right side
    79,827,000.30x = 4,404,089,050,072,775.50
  5. Step 5: Solve for x
    x = 4,404,089,050,072,775.50/79,827,000.30
  6. Step 6: Final answer
    x = 55,170,418.95

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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.