Home / 120,227,987,578.62-180,185,099,984.64-67,166,877,405.18

Finding the Fourth Proportional to 120,227,987,578.62, 180,185,099,984.64 and 67,166,877,405.18

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Solution

The fourth proportional to 120,227,987,578.62, 180,185,099,984.64 and 67,166,877,405.18 is: 100,662,672,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,227,987,578.62 : 180,185,099,984.64 = 67,166,877,405.18 : x
  2. Step 2: Convert to fraction form
    120,227,987,578.62/180,185,099,984.64 = 67,166,877,405.18/x
  3. Step 3: Cross multiply
    120,227,987,578.62x = 180,185,099,984.64 × 67,166,877,405.18
  4. Step 4: Simplify right side
    120,227,987,578.62x = 12,102,470,520,908,416,024,576
  5. Step 5: Solve for x
    x = 12,102,470,520,908,416,024,576/120,227,987,578.62
  6. Step 6: Final answer
    x = 100,662,672,349.85

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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.