Home / 132,217,872.40-198,326,808.60-131,462,045.20

Finding the Fourth Proportional to 132,217,872.40, 198,326,808.60 and 131,462,045.20

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Solution

The fourth proportional to 132,217,872.40, 198,326,808.60 and 131,462,045.20 is: 197,193,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,217,872.40 : 198,326,808.60 = 131,462,045.20 : x
  2. Step 2: Convert to fraction form
    132,217,872.40/198,326,808.60 = 131,462,045.20/x
  3. Step 3: Cross multiply
    132,217,872.40x = 198,326,808.60 × 131,462,045.20
  4. Step 4: Simplify right side
    132,217,872.40x = 26,072,447,876,544,948
  5. Step 5: Solve for x
    x = 26,072,447,876,544,948/132,217,872.40
  6. Step 6: Final answer
    x = 197,193,067.80

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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.