Home / 290,507,240.18-435,502,855.97-113,203,329.41

Finding the Fourth Proportional to 290,507,240.18, 435,502,855.97 and 113,203,329.41

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Solution

The fourth proportional to 290,507,240.18, 435,502,855.97 and 113,203,329.41 is: 169,704,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,507,240.18 : 435,502,855.97 = 113,203,329.41 : x
  2. Step 2: Convert to fraction form
    290,507,240.18/435,502,855.97 = 113,203,329.41/x
  3. Step 3: Cross multiply
    290,507,240.18x = 435,502,855.97 × 113,203,329.41
  4. Step 4: Simplify right side
    290,507,240.18x = 49,300,373,262,801,672
  5. Step 5: Solve for x
    x = 49,300,373,262,801,672/290,507,240.18
  6. Step 6: Final answer
    x = 169,704,456.36

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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.