Home / 140,597,245.67-210,040,814.10-91,009,125.65

Finding the Fourth Proportional to 140,597,245.67, 210,040,814.10 and 91,009,125.65

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Solution

The fourth proportional to 140,597,245.67, 210,040,814.10 and 91,009,125.65 is: 135,960,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,597,245.67 : 210,040,814.10 = 91,009,125.65 : x
  2. Step 2: Convert to fraction form
    140,597,245.67/210,040,814.10 = 91,009,125.65/x
  3. Step 3: Cross multiply
    140,597,245.67x = 210,040,814.10 × 91,009,125.65
  4. Step 4: Simplify right side
    140,597,245.67x = 19,115,630,842,921,576
  5. Step 5: Solve for x
    x = 19,115,630,842,921,576/140,597,245.67
  6. Step 6: Final answer
    x = 135,960,208.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.