Home / 82,681,354.62-114,111,134.36-47,412,961.56

Finding the Fourth Proportional to 82,681,354.62, 114,111,134.36 and 47,412,961.56

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Solution

The fourth proportional to 82,681,354.62, 114,111,134.36 and 47,412,961.56 is: 65,436,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,681,354.62 : 114,111,134.36 = 47,412,961.56 : x
  2. Step 2: Convert to fraction form
    82,681,354.62/114,111,134.36 = 47,412,961.56/x
  3. Step 3: Cross multiply
    82,681,354.62x = 114,111,134.36 × 47,412,961.56
  4. Step 4: Simplify right side
    82,681,354.62x = 5,410,346,826,978,675
  5. Step 5: Solve for x
    x = 5,410,346,826,978,675/82,681,354.62
  6. Step 6: Final answer
    x = 65,436,117.39

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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.