Home / 133,020,030.90-199,530,046.35-87,633,074.10

Finding the Fourth Proportional to 133,020,030.90, 199,530,046.35 and 87,633,074.10

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Solution

The fourth proportional to 133,020,030.90, 199,530,046.35 and 87,633,074.10 is: 131,449,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,030.90 : 199,530,046.35 = 87,633,074.10 : x
  2. Step 2: Convert to fraction form
    133,020,030.90/199,530,046.35 = 87,633,074.10/x
  3. Step 3: Cross multiply
    133,020,030.90x = 199,530,046.35 × 87,633,074.10
  4. Step 4: Simplify right side
    133,020,030.90x = 17,485,431,336,965,982
  5. Step 5: Solve for x
    x = 17,485,431,336,965,982/133,020,030.90
  6. Step 6: Final answer
    x = 131,449,611.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.