Home / 216,206,374.01-324,826,939.69-138,635,257.38

Finding the Fourth Proportional to 216,206,374.01, 324,826,939.69 and 138,635,257.38

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Solution

The fourth proportional to 216,206,374.01, 324,826,939.69 and 138,635,257.38 is: 208,284,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206,374.01 : 324,826,939.69 = 138,635,257.38 : x
  2. Step 2: Convert to fraction form
    216,206,374.01/324,826,939.69 = 138,635,257.38/x
  3. Step 3: Cross multiply
    216,206,374.01x = 324,826,939.69 × 138,635,257.38
  4. Step 4: Simplify right side
    216,206,374.01x = 45,032,466,387,880,888
  5. Step 5: Solve for x
    x = 45,032,466,387,880,888/216,206,374.01
  6. Step 6: Final answer
    x = 208,284,638.20

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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.