Home / 84,889,139.70-127,333,709.55-30,327,863.70

Finding the Fourth Proportional to 84,889,139.70, 127,333,709.55 and 30,327,863.70

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Solution

The fourth proportional to 84,889,139.70, 127,333,709.55 and 30,327,863.70 is: 45,491,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889,139.70 : 127,333,709.55 = 30,327,863.70 : x
  2. Step 2: Convert to fraction form
    84,889,139.70/127,333,709.55 = 30,327,863.70/x
  3. Step 3: Cross multiply
    84,889,139.70x = 127,333,709.55 × 30,327,863.70
  4. Step 4: Simplify right side
    84,889,139.70x = 3,861,759,387,647,788
  5. Step 5: Solve for x
    x = 3,861,759,387,647,788/84,889,139.70
  6. Step 6: Final answer
    x = 45,491,795.55

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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.