Home / 82,332,911.42-123,537,081.11-35,660,672.30

Finding the Fourth Proportional to 82,332,911.42, 123,537,081.11 and 35,660,672.30

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Solution

The fourth proportional to 82,332,911.42, 123,537,081.11 and 35,660,672.30 is: 53,507,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,332,911.42 : 123,537,081.11 = 35,660,672.30 : x
  2. Step 2: Convert to fraction form
    82,332,911.42/123,537,081.11 = 35,660,672.30/x
  3. Step 3: Cross multiply
    82,332,911.42x = 123,537,081.11 × 35,660,672.30
  4. Step 4: Simplify right side
    82,332,911.42x = 4,405,415,365,566,242
  5. Step 5: Solve for x
    x = 4,405,415,365,566,242/82,332,911.42
  6. Step 6: Final answer
    x = 53,507,343.42

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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.