Home / 149,379,410,278.01-206,148,503,064.71-81,712,451,980.73

Finding the Fourth Proportional to 149,379,410,278.01, 206,148,503,064.71 and 81,712,451,980.73

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Solution

The fourth proportional to 149,379,410,278.01, 206,148,503,064.71 and 81,712,451,980.73 is: 112,765,873,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379,410,278.01 : 206,148,503,064.71 = 81,712,451,980.73 : x
  2. Step 2: Convert to fraction form
    149,379,410,278.01/206,148,503,064.71 = 81,712,451,980.73/x
  3. Step 3: Cross multiply
    149,379,410,278.01x = 206,148,503,064.71 × 81,712,451,980.73
  4. Step 4: Simplify right side
    149,379,410,278.01x = 16,844,899,657,574,485,327,872
  5. Step 5: Solve for x
    x = 16,844,899,657,574,485,327,872/149,379,410,278.01
  6. Step 6: Final answer
    x = 112,765,873,330.36

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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.