Home / 80,930,782.20-111,684,400.45-43,760,973.67

Finding the Fourth Proportional to 80,930,782.20, 111,684,400.45 and 43,760,973.67

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Solution

The fourth proportional to 80,930,782.20, 111,684,400.45 and 43,760,973.67 is: 60,390,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,782.20 : 111,684,400.45 = 43,760,973.67 : x
  2. Step 2: Convert to fraction form
    80,930,782.20/111,684,400.45 = 43,760,973.67/x
  3. Step 3: Cross multiply
    80,930,782.20x = 111,684,400.45 × 43,760,973.67
  4. Step 4: Simplify right side
    80,930,782.20x = 4,887,418,107,442,186
  5. Step 5: Solve for x
    x = 4,887,418,107,442,186/80,930,782.20
  6. Step 6: Final answer
    x = 60,390,100.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.