Home / 120,227,987,572.62-180,185,099,975.64-67,166,877,399.18

Finding the Fourth Proportional to 120,227,987,572.62, 180,185,099,975.64 and 67,166,877,399.18

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Solution

The fourth proportional to 120,227,987,572.62, 180,185,099,975.64 and 67,166,877,399.18 is: 100,662,672,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,227,987,572.62 : 180,185,099,975.64 = 67,166,877,399.18 : x
  2. Step 2: Convert to fraction form
    120,227,987,572.62/180,185,099,975.64 = 67,166,877,399.18/x
  3. Step 3: Cross multiply
    120,227,987,572.62x = 180,185,099,975.64 × 67,166,877,399.18
  4. Step 4: Simplify right side
    120,227,987,572.62x = 12,102,470,519,222,804,938,752
  5. Step 5: Solve for x
    x = 12,102,470,519,222,804,938,752/120,227,987,572.62
  6. Step 6: Final answer
    x = 100,662,672,340.85

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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.