Home / 140,137,132.30-210,204,933.82-57,138,559.11

Finding the Fourth Proportional to 140,137,132.30, 210,204,933.82 and 57,138,559.11

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Solution

The fourth proportional to 140,137,132.30, 210,204,933.82 and 57,138,559.11 is: 85,707,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,137,132.30 : 210,204,933.82 = 57,138,559.11 : x
  2. Step 2: Convert to fraction form
    140,137,132.30/210,204,933.82 = 57,138,559.11/x
  3. Step 3: Cross multiply
    140,137,132.30x = 210,204,933.82 × 57,138,559.11
  4. Step 4: Simplify right side
    140,137,132.30x = 12,010,807,036,105,436
  5. Step 5: Solve for x
    x = 12,010,807,036,105,436/140,137,132.30
  6. Step 6: Final answer
    x = 85,707,526.90

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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.