Home / 319,446,974.65-440,856,985.66-180,166,917.37

Finding the Fourth Proportional to 319,446,974.65, 440,856,985.66 and 180,166,917.37

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Solution

The fourth proportional to 319,446,974.65, 440,856,985.66 and 180,166,917.37 is: 248,641,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,446,974.65 : 440,856,985.66 = 180,166,917.37 : x
  2. Step 2: Convert to fraction form
    319,446,974.65/440,856,985.66 = 180,166,917.37/x
  3. Step 3: Cross multiply
    319,446,974.65x = 440,856,985.66 × 180,166,917.37
  4. Step 4: Simplify right side
    319,446,974.65x = 79,427,844,107,392,496
  5. Step 5: Solve for x
    x = 79,427,844,107,392,496/319,446,974.65
  6. Step 6: Final answer
    x = 248,641,716.50

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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.