Home / 132,863,926.80-199,295,890.20-81,579,651.60

Finding the Fourth Proportional to 132,863,926.80, 199,295,890.20 and 81,579,651.60

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Solution

The fourth proportional to 132,863,926.80, 199,295,890.20 and 81,579,651.60 is: 122,369,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863,926.80 : 199,295,890.20 = 81,579,651.60 : x
  2. Step 2: Convert to fraction form
    132,863,926.80/199,295,890.20 = 81,579,651.60/x
  3. Step 3: Cross multiply
    132,863,926.80x = 199,295,890.20 × 81,579,651.60
  4. Step 4: Simplify right side
    132,863,926.80x = 16,258,489,287,827,852
  5. Step 5: Solve for x
    x = 16,258,489,287,827,852/132,863,926.80
  6. Step 6: Final answer
    x = 122,369,477.40

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Why These Related Problems?

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