Home / 149,379,410,276.01-206,148,503,061.95-81,712,451,978.73

Finding the Fourth Proportional to 149,379,410,276.01, 206,148,503,061.95 and 81,712,451,978.73

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Solution

The fourth proportional to 149,379,410,276.01, 206,148,503,061.95 and 81,712,451,978.73 is: 112,765,873,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379,410,276.01 : 206,148,503,061.95 = 81,712,451,978.73 : x
  2. Step 2: Convert to fraction form
    149,379,410,276.01/206,148,503,061.95 = 81,712,451,978.73/x
  3. Step 3: Cross multiply
    149,379,410,276.01x = 206,148,503,061.95 × 81,712,451,978.73
  4. Step 4: Simplify right side
    149,379,410,276.01x = 16,844,899,656,936,663,810,048
  5. Step 5: Solve for x
    x = 16,844,899,656,936,663,810,048/149,379,410,276.01
  6. Step 6: Final answer
    x = 112,765,873,327.60

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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.