Home / 320,354,814.30-442,106,808.94-179,217,615.36

Finding the Fourth Proportional to 320,354,814.30, 442,106,808.94 and 179,217,615.36

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Solution

The fourth proportional to 320,354,814.30, 442,106,808.94 and 179,217,615.36 is: 247,329,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,354,814.30 : 442,106,808.94 = 179,217,615.36 : x
  2. Step 2: Convert to fraction form
    320,354,814.30/442,106,808.94 = 179,217,615.36/x
  3. Step 3: Cross multiply
    320,354,814.30x = 442,106,808.94 × 179,217,615.36
  4. Step 4: Simplify right side
    320,354,814.30x = 79,233,328,032,645,936
  5. Step 5: Solve for x
    x = 79,233,328,032,645,936/320,354,814.30
  6. Step 6: Final answer
    x = 247,329,912.01

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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.