Home / 162,082,993.98-223,674,291.75-87,743,189.82

Finding the Fourth Proportional to 162,082,993.98, 223,674,291.75 and 87,743,189.82

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Solution

The fourth proportional to 162,082,993.98, 223,674,291.75 and 87,743,189.82 is: 121,085,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,082,993.98 : 223,674,291.75 = 87,743,189.82 : x
  2. Step 2: Convert to fraction form
    162,082,993.98/223,674,291.75 = 87,743,189.82/x
  3. Step 3: Cross multiply
    162,082,993.98x = 223,674,291.75 × 87,743,189.82
  4. Step 4: Simplify right side
    162,082,993.98x = 19,625,895,838,874,308
  5. Step 5: Solve for x
    x = 19,625,895,838,874,308/162,082,993.98
  6. Step 6: Final answer
    x = 121,085,472.06

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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.