Home / 216,206,373.01-324,826,938.19-138,635,256.38

Finding the Fourth Proportional to 216,206,373.01, 324,826,938.19 and 138,635,256.38

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Solution

The fourth proportional to 216,206,373.01, 324,826,938.19 and 138,635,256.38 is: 208,284,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206,373.01 : 324,826,938.19 = 138,635,256.38 : x
  2. Step 2: Convert to fraction form
    216,206,373.01/324,826,938.19 = 138,635,256.38/x
  3. Step 3: Cross multiply
    216,206,373.01x = 324,826,938.19 × 138,635,256.38
  4. Step 4: Simplify right side
    216,206,373.01x = 45,032,465,853,260,664
  5. Step 5: Solve for x
    x = 45,032,465,853,260,664/216,206,373.01
  6. Step 6: Final answer
    x = 208,284,636.70

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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.