Home / 309,606,208.88-464,410,267.70-76,436,947.62

Finding the Fourth Proportional to 309,606,208.88, 464,410,267.70 and 76,436,947.62

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Solution

The fourth proportional to 309,606,208.88, 464,410,267.70 and 76,436,947.62 is: 114,655,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,606,208.88 : 464,410,267.70 = 76,436,947.62 : x
  2. Step 2: Convert to fraction form
    309,606,208.88/464,410,267.70 = 76,436,947.62/x
  3. Step 3: Cross multiply
    309,606,208.88x = 464,410,267.70 × 76,436,947.62
  4. Step 4: Simplify right side
    309,606,208.88x = 35,498,103,305,992,896
  5. Step 5: Solve for x
    x = 35,498,103,305,992,896/309,606,208.88
  6. Step 6: Final answer
    x = 114,655,657.05

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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.