Home / 80,630,234.40-120,960,903.60-34,571,431.20

Finding the Fourth Proportional to 80,630,234.40, 120,960,903.60 and 34,571,431.20

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Solution

The fourth proportional to 80,630,234.40, 120,960,903.60 and 34,571,431.20 is: 51,863,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630,234.40 : 120,960,903.60 = 34,571,431.20 : x
  2. Step 2: Convert to fraction form
    80,630,234.40/120,960,903.60 = 34,571,431.20/x
  3. Step 3: Cross multiply
    80,630,234.40x = 120,960,903.60 × 34,571,431.20
  4. Step 4: Simplify right side
    80,630,234.40x = 4,181,791,556,697,232.50
  5. Step 5: Solve for x
    x = 4,181,791,556,697,232.50/80,630,234.40
  6. Step 6: Final answer
    x = 51,863,814.95

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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.