Home / 120,962,000,648.80-166,927,577,234.21-66,768,559,511.38

Finding the Fourth Proportional to 120,962,000,648.80, 166,927,577,234.21 and 66,768,559,511.38

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Solution

The fourth proportional to 120,962,000,648.80, 166,927,577,234.21 and 66,768,559,511.38 is: 92,140,621,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,962,000,648.80 : 166,927,577,234.21 = 66,768,559,511.38 : x
  2. Step 2: Convert to fraction form
    120,962,000,648.80/166,927,577,234.21 = 66,768,559,511.38/x
  3. Step 3: Cross multiply
    120,962,000,648.80x = 166,927,577,234.21 × 66,768,559,511.38
  4. Step 4: Simplify right side
    120,962,000,648.80x = 11,145,513,874,652,496,134,144
  5. Step 5: Solve for x
    x = 11,145,513,874,652,496,134,144/120,962,000,648.80
  6. Step 6: Final answer
    x = 92,140,621,144.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.