Home / 149,379,410,277.51-206,148,503,064.02-81,712,451,980.23

Finding the Fourth Proportional to 149,379,410,277.51, 206,148,503,064.02 and 81,712,451,980.23

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Solution

The fourth proportional to 149,379,410,277.51, 206,148,503,064.02 and 81,712,451,980.23 is: 112,765,873,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379,410,277.51 : 206,148,503,064.02 = 81,712,451,980.23 : x
  2. Step 2: Convert to fraction form
    149,379,410,277.51/206,148,503,064.02 = 81,712,451,980.23/x
  3. Step 3: Cross multiply
    149,379,410,277.51x = 206,148,503,064.02 × 81,712,451,980.23
  4. Step 4: Simplify right side
    149,379,410,277.51x = 16,844,899,657,415,030,472,704
  5. Step 5: Solve for x
    x = 16,844,899,657,415,030,472,704/149,379,410,277.51
  6. Step 6: Final answer
    x = 112,765,873,329.67

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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.