Home / 82,596,026.30-123,782,433.66-31,450,144.46

Finding the Fourth Proportional to 82,596,026.30, 123,782,433.66 and 31,450,144.46

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Solution

The fourth proportional to 82,596,026.30, 123,782,433.66 and 31,450,144.46 is: 47,132,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,596,026.30 : 123,782,433.66 = 31,450,144.46 : x
  2. Step 2: Convert to fraction form
    82,596,026.30/123,782,433.66 = 31,450,144.46/x
  3. Step 3: Cross multiply
    82,596,026.30x = 123,782,433.66 × 31,450,144.46
  4. Step 4: Simplify right side
    82,596,026.30x = 3,892,975,419,598,454
  5. Step 5: Solve for x
    x = 3,892,975,419,598,454/82,596,026.30
  6. Step 6: Final answer
    x = 47,132,720.47

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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.