Home / 80,446,204.62-120,638,678.00-47,666,023.73

Finding the Fourth Proportional to 80,446,204.62, 120,638,678.00 and 47,666,023.73

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Solution

The fourth proportional to 80,446,204.62, 120,638,678.00 and 47,666,023.73 is: 71,480,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,446,204.62 : 120,638,678.00 = 47,666,023.73 : x
  2. Step 2: Convert to fraction form
    80,446,204.62/120,638,678.00 = 47,666,023.73/x
  3. Step 3: Cross multiply
    80,446,204.62x = 120,638,678.00 × 47,666,023.73
  4. Step 4: Simplify right side
    80,446,204.62x = 5,750,366,087,914,700
  5. Step 5: Solve for x
    x = 5,750,366,087,914,700/80,446,204.62
  6. Step 6: Final answer
    x = 71,480,887.32

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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.